1973 Buick Apollo Performance Engines

Keep Your 1973 Buick Apollo in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1973 Buick Apollo looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Valve Cover Gasket Sets, Performance Engine Coolant Thermostats, and Performance Engine Cylinder Head Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like Competition Cams and B & M. For example, Competition Cams Performance Engines start at just $33.99 with an average 4.1 star rating. B & M offer similar pricing and quality, backed by strong customer feedback. With over 135 reviews and a solid 4 star average, you can shop with confidence knowing other Buick Apollo owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1973 Buick Apollo Performance Engine at Advance Auto Parts is around $306.35, with a range that starts at $8.99 and goes up to $949.99. With 54 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Bolt Kit Intake Hex Head, High Performance Thermostat, and Engine Valve Cover Gasket Set start at just $9.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1973 Buick Apollo in peak condition, inside and out.

Essential 1973 Buick Apollo Performance Engines

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 195 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)

Engine Valve Cover Gasket Set

from

$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
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Spectre – Bolt Kit Intake Hex Head (Part No.4652)

Bolt Kit Intake Hex Head

from

$9.99
Spectre’s Intake Bolt and Washer Set is engineered to provide premium quality hardware for Chevrolet 265-400 and Chrysler 273-440 small block engines. Measuring 3/8 inch-16 by 1 inch, these grade 5 bolts feature a corrosion resistant zinc-plated finish and hex heads to ensure easy installation. This kit includes 12 bolts and washers.

Product Features:
  • Designed for Chevrolet 265-400 and Chrysler 273-440 small block engines
  • 3/8 inch-16 by 1 inch bolts
  • Kit includes 12 bolts and washers
  • Manufactured from high quality steel
  • Bolts feature hex heads
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Competition Cams – Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit (Part No.CL42-225-4)

Xtreme Energy 240/246 Hydraulic Flat Cam and Lifter Kit

from

$416.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
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Competition Cams – Magnum Roller 1.6 Ratio Rocker Arm Set (Part No.1431-16)

Magnum Roller 1.6 Ratio Rocker Arm Set

from

$350.99
These Magnum Roller Rocker Arms for Ford V8 289-351W (Rail Type) 1968-89 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.6 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 lbs. open spring pressure. Don’t accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.

Product Features:
  • Ultimate street rocker designed for serious performance enthusiasts
  • Constructed from 8620 chromemoly steel, a superior material that will not flex and assures maximum lift
  • Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift
  • 15 to 30 horsepower increase over stock rocker arms
  • Use in any applications with less than 350 lbs. open spring pressure
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Competition Cams – High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud (Part No.17001-16)

High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud

from

$249.99
These High Energy Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 applications are perfect for street and moderate race use. With a 3/8″ stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the rocker arms is made of aluminum for superior strength with light overall weight. High Energy Die Cast Aluminum Roller Rocker Arms from COMP Cams are an affordable option that feature a die cast, aluminum body with a needle bearing fulcrum and roller tip. Designed to be stiffer and more durable, these cost effective rocker arms are capable of providing added valve lift while withstanding the rigors of a performance application. Their specially engineered fulcrum and roller tip create far less friction than sliding factory models to lower oil temperatures, thus improving both response and horsepower. Snap rings are used to hold the trunion and bearings locked in place..

Product Features:
  • Cost effective aluminum construction provides superior strength to weight ratio
  • Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
  • Durable design increases valve lift while withstanding the rigors of moderate race use
  • Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.
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Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

from

$79.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
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FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1025)

Performance Cylinder Head Gasket

from

$74.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

from

$33.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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Competition Cams – Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem (Part No.502-16)

Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem

from

$230.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

from

$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More

Competition Cams – High Energy 212/212 Hydraulic Flat Cam (Part No.42-228-4)

High Energy 212/212 Hydraulic Flat Cam

from

$297.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.42-308-4)

Magnum 224/224 Hydraulic Flat Cam

from

$297.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.

Product Features:
  • Best with aftermarket torque converters and 9.5:1 compression.
  • Great high RPM power.
  • Easy on valve train parts.
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
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Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.42-222-4)

Xtreme Energy 218/224 Hydraulic Flat Cam

from

$350.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,

Product Features:
  • Excellent performance in street carbureted applications.
  • More vacuum allows an increase in duration for improved performance and assists power brakes.
  • Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

B & M – Traveler Converter (Part No.30423)

Traveler Converter

from

$475.99
Torque Converter – Traveler Converter (SUV and Light Truck) for GM 1968 to 1981 TH350, TH375B APPLICATION: GM 1968 to 1981 TH350, TH375B (6) (will not fit TH-350C) Provides slightly higher stall speed than stock to improve pulling power at low speeds. New

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
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B & M – Holeshot 2400 (Part No.20412)

Holeshot 2400

from

$549.99
HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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B & M – Holeshot 3000 (Part No.20413)

Holeshot 3000

from

$899.99
HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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Competition Cams – VALVE SPRINGS, 1.437" SINGLE 1 ST (Part No.942-16)

VALVE SPRINGS, 1.437" SINGLE 1 ST

from

$257.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.

Product Features:
  • Seat pressure: 115 lbs. @ 1.700″, Open Pressure: 284 lbs. @ 1.200″
  • O.D.: 1.437″, I.D.: 1.039″
  • Single valve springs with damper
  • Approximately .510″ max lift at recommended installed height
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)

Engine Crankshaft Seal Kit

from

$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longevity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
  • Not intended for use in emission controlled vehicles.
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Most Popular Performance Engine Valve Cover Gasket Set for 1973 Buick Apollos

Enhance your 1973 Buick Apollo with this popular Performance Engine Valve Cover Gasket Set we have in stock, for $22.99.

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)

Engine Valve Cover Gasket Set

from

$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

Best-Selling 1973 Buick Apollo Performance Engine Coolant Thermostats

Upgrade your Apollo with one of our 3 best-selling Performance Engine Coolant Thermostats, earning an average 4 stars rating across 32 reviews.

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens at 160 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully opens at Correct Temperature Consistently Regardless of engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 195 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Top-Quality Performance Engine Cylinder Head Gaskets for 1973 Buick Apollos

Choose a high-quality OEM or aftermarket Performance Engine Cylinder Head Gasket for Buick Apollos and enjoy top-notch performance from $74.99.

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1025)

Performance Cylinder Head Gasket

from

$74.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
See More

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

from

$79.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.130 inch, Compressed thickness 0.055 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core is excellent transfering heat away from hot spots in head preventing gasket burn-out.
  • Provides excellent stability, compressibility and high temperature endurance
  • Coated with high temperature silicone to ensure sealing of engine fluids
  • Will not brinell (indent) aluminum cylinder heads
  • For high performance street, drag race and oval track use
  • Compatible w/High Octane Fuel
  • Compatible With Exotic Fuel
See More

Our Top Pick for a 1973 Buick Apollo Performance Engine Oil Pan Gasket

Invest in a durable Performance Engine Oil Pan Gasket for your 1973 Buick, knowing you’re getting trusted brands and expert craftsmanship.

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

from

$31.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More

Performance Engine Rocker Arms for 1973 Buick Apollos

Make a smart move for your 1973 Buick Apollo with products all priced from $27.99 to $376.99.

Competition Cams – High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud (Part No.17001-16)

High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud

from

$249.99
These High Energy Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 applications are perfect for street and moderate race use. With a 3/8″ stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the rocker arms is made of aluminum for superior strength with light overall weight. High Energy Die Cast Aluminum Roller Rocker Arms from COMP Cams are an affordable option that feature a die cast, aluminum body with a needle bearing fulcrum and roller tip. Designed to be stiffer and more durable, these cost effective rocker arms are capable of providing added valve lift while withstanding the rigors of a performance application. Their specially engineered fulcrum and roller tip create far less friction than sliding factory models to lower oil temperatures, thus improving both response and horsepower. Snap rings are used to hold the trunion and bearings locked in place..

Product Features:
  • Cost effective aluminum construction provides superior strength to weight ratio
  • Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
  • Durable design increases valve lift while withstanding the rigors of moderate race use
  • Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.
See More

Competition Cams – ROCKERS, CS 1.65 7/1 (Part No.1806-8)

ROCKERS, CS 1.65 7/1

from

$376.99
ROCKERS, CS 1.65 7/1

Competition Cams – ROCKERS, CS 1.5 3/8" (Part No.1801-8)

ROCKERS, CS 1.5 3/8"

from

$346.99
ROCKERS, CS 1.5 3/8"

Competition Cams – ENGINE ROCKER ARM (Part No.17004-16)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17005-16)

ENGINE ROCKER ARM

from

$277.99
ENGINE ROCKER ARM

Competition Cams – HIGH ENERGY ALUM ROC (Part No.17001-8)

HIGH ENERGY ALUM ROC

from

$155.99
HIGH ENERGY ALUM ROC

Competition Cams – HIGH ENERGY ALUM ROC (Part No.17004-8)

HIGH ENERGY ALUM ROC

from

$148.99
HIGH ENERGY ALUM ROC

Competition Cams – HIGH ENERGY ALUM ROC (Part No.17005-8)

HIGH ENERGY ALUM ROC

from

$148.99
HIGH ENERGY ALUM ROC

Competition Cams – HIGH ENERGY ALUM ROC (Part No.17002-8)

HIGH ENERGY ALUM ROC

from

$148.99
HIGH ENERGY ALUM ROC

Competition Cams – ENGINE ROCKER ARM (Part No.1806-1)

ENGINE ROCKER ARM

from

$66.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1808-1)

ENGINE ROCKER ARM

from

$66.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1801-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1807-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.1802-1)

ENGINE ROCKER ARM

from

$61.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17005-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17004-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17001-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.17002-1)

ENGINE ROCKER ARM

from

$27.99
ENGINE ROCKER ARM

Top-Rated Performance Engine Brands For Your 1973 Buick Apollo

When it comes to finding the perfect Performance Engine for your 1973 Buick Apollo, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Performance Engine brands including Competition Cams and B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $33.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1973 Buick Apollo, providing peace of mind with parts that meet or exceed OEM standards.

Popular Competition Cams 1973 Buick Apollo Performance Engines

If you’re looking for a top-quality Performance Engine for your 1973 Buick Apollo, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 2 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $33.99 and an average cost of $145.99, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1973 Buick Apollo come highly rated, with over 2 customer reviews and an impressive average rating of 4.1 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
VALVE SPRINGS, 1.437" SINGLE 1 ST
from $257.99
(1)
VALVE SPRINGS, 1.437" SINGLE 1 ST
“Great price”
VALVE SEALS, TEFLON 3/8" 1 ST
from $33.99
(1)
VALVE SEALS, TEFLON 3/8" 1 ST
“As good as OEM.”

Top-Quality B & M 1973 Buick Apollo Performance Engines

For those in search of a high-quality Performance Engine for their 1973 Buick Apollo, Advance Auto Parts offers a great selection of B & M Performance Engines. With 1 B & M Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $373.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.1 stars, B & M Performance Engines provide both reliability and excellent performance. Choosing a B & M Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Tork Master 2400
from $373.99
(1)
Tork Master 2400
“The B&M 2400 stall converter was a great choice for my application. It works well on the street and track, increased performance by leaps and bounds. ”

FAQs for 1973 Buick Apollo Performance Engines

What are the best-selling Performance Engines for 1973 Buick Apollos?

Out of 54 Performance Engines that fit 1973 Buick Apollos, the following parts are the top sellers:

What’s the price range for 1973 Buick Apollo Performance Engines?

The prices of Performance Engines for the 1973 Buick Apollo range from $8.99 up to $949.99 for the most premium parts.

What is the average price of a Performance Engine for a 1973 Buick Apollo?

The average price for Performance Engines for the 1973 Buick Apollo is $306.35. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

What are the cheapest Performance Engines for my 1973 Buick Apollo?

The cheapest 1973 Buick Apollo Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1973 Buick models?

Yes. We stock Performance Engines for 6 other popular 1973 Buick models. Some of the most popular are 1973 Regal Performance Engines, 1973 Century Performance Engines, 1973 LeSabre Performance Engines, 1973 Riviera Performance Engines, and 1973 Electra Performance Engines.

What types of Performance Engines do you sell for my 1973 Buick Apollo?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1973 Buick Apollo:

Can I get help with 1973 Buick Apollo Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Performance Engines and more.

What is your return policy for Buick Apollo Performance Engines?

Advance Auto Parts keeps returns simple. For new Buick Apollo Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.