1984 Buick LeSabre Performance Engines

Name: Performer Intake Manifold for Olds 400-455, Non-EGR, Satin
Brand: Edelbrock
SKU: 2151
Price: 519.99 USD
Rating: 5.0 (1 reviews)

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1984 Buick LeSabre 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 1984 Buick LeSabre looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Water Outlets, Performance Intake Manifolds, and Performance Engine Coolant Thermostats. 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.

Competitive Prices and Extensive Inventory

The average price for a 1984 Buick LeSabre Performance Engine at Advance Auto Parts is around $197.62, with a range that starts at $7.99 and goes up to $975.99. With 54 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Water Neck; Olds, and Valve Seals, Umbrella 11/32" 1 St start at just $26.99 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 1984 Buick LeSabre in peak condition, inside and out.

Looking for the perfect Performance Engine for your 1984 Buick LeSabre? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Buick LeSabre. Whether you’re driving a 1984 model or another popular model year like 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.

Essential 1984 Buick LeSabre Performance Engines

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$519.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 deg. Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal if Correct Carburetor Used

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$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

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$165.99

Magnum Pushrods from COMP Cams offer an affordable solution for your .080″ wall chromemoly pushrod needs. Designed to withstand the stresses of a high performance engine, Magnum Pushrods are head-treated for extended durability and have precision formed, reinforced ends. Magnum Pushrods are black-oxide finished with their part number and length laser etched onto the surface for easy identification.

Product Features:

3/8″ Diameter, 7.800″ Length
Magnum Pushrods for Small Block Chevy
One-piece .080″ wall chromemoly steel tubing
Heat-treated for extended durability and guide plate compatibility
Precision formed and reinforced pushrod end

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$80.99

Magnum 8.280" Long, .080" Wall, 3/8" Diameter Pushrod Set of 8

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$26.99

Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.

Product Features:

Fits Oldsmobile 330, 350, 425 and 455 engines
Chrome plated
Bolts included
Designed for OEM fit
Easy to install
O-ring/gasket not included

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$32.49

Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:

Complete with o-rings and mounting bolts
Features an o-ring style seal to prevent water leaks
Chrome plated
1/2″ NPT port can be used for various coolant temp related sensors or switches

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$10.99

11 Steel Retainer for Buick 350-455 with 1.225"-1.250" OD Valve Spring

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$272.99

Tool Steel 10 Degree Retainer Set Of 16 For All Valves With 1.250" O.D. Springs

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$562.99

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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$459.99

Similar in performance to the Holeshot series, the Tork Master is B&M’s lowest cost torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available.

Product Features:

New Precision Pump Drive Tube
Pressure Tested
Fully Balanced
Needle Thrust Bearing
New Thrust Washer

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$217.99

These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8″ stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed

Product Features:

Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
For applications with less than 350 lbs. of open spring pressure
Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
Ultimate street roller rocker arm designed for serious performance enthusiasts

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$476.99

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

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$403.99

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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$429.99

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

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$298.99

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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$297.99

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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$64.99

Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:

For Use With Cast Iron Heads
Springs Made of Highest Quality Spring Wire
Springs Precision Wound To Close Tolerances
Use with Original Equipment Heads Only

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$119.99

Engine Valve Spring

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$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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$223.99

Work with .530″ 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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$70.99

High Energy Timing Set for ’67-’76 Buick 400-455

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$49.99

With Mr. Gasket cam degree bushings you fine tune the camshaft timing of your engine to as little as 1 degree. Even aftermarket timing sets with multiple keyways can’t give the range of adjustment these bushings allow. Retard your camshaft to lower the powerband for more low end torque and midrange horsepower, or advance for more top end power. This kit does even number adjustment 0-8 degrees.

Product Features:

Advance the cam for increased torque and horsepower
Tune your powerband for more end torque or increase top end horsepower
Includes (4) offset bushings and (1) 0 degree bushing
Cam sprocket dowel pin hole must be drilled to .406¿ (13/32¿) dia.
Cam sprocket dowel pin hole must be drilled to .406┐ (13/32┐) dia.
Increase Top-End Horsepower

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$44.99

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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$42.49

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

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

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$30.99

Product Features:

Clean Positive Seal
Embossed Silicone Bead Surrounding The Port
Matched To Manifolds And Cylinder Heads

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$49.99

Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. This is a low density material that conforms well to irregular surfaces and has very good crush resistance at high flange pressures. They provide excellent sealing and durability as the material is designed for sealing gasoline, oils, water and coolant in applications up to 350 degrees Fahrenheit. While die-cut for an excellent fit, they can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Product Features:

Manufactured from cellulose/nitrile composition gasket material
Provides excellent sealing and durability
Die-cut for an excellent fit
Can be trimmed if necessary for modified port applications
For OE replacement, high performance street, drag race and oval track use

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$60.99

Ultra-Seal intake manifold gaskets are manufactured from cellulose/nitrile composition gasket material. Provides excellent sealing and durability. Incorporates Silicone beading around each intake and water outlet port to provide additional sealing strength on both sides of each gasket. No gasket sealer required. For OE replacement, high performance street, drag race and oval track use. Includes manifold end seals and distributor gasket.

Product Features:

Manufactured from cellulose/nitrile composition gasket material
Provides excellent sealing and durability
Silicone beading on both sides of each gasket
Complete with manifold end seals and distributor gasket
For OE replacement, high performance street, drag race and oval track use
Creates Tight Leak proof Seal

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$28.99

Product Features:

Clean Positive Seal
Embossed Silicone Bead Surrounding The Port
Matched To Manifolds And Cylinder Heads

Popular 1984 Buick LeSabre Performance Engines Categories

Performance Engine Coolant Thermostats

Performance Intake Manifolds

Performance Water Outlets

Performance Engine Cylinder Head Gaskets

Performance Engine Camshaft and Lifter Kits

Performance Engine Intake Manifold Gaskets

Performance Engine Timing Sets and Components

Performance Engine Valve Springs

Performance Engine Rocker Arms

Performance Engine Camshafts

Performance Engine Valve Lifters

Performance Engine Push Rod Guideplates

Performance Engine Push Rods

Performance Engine Valve Spring Retainer

Performance Torque Converters

Performance Engine Valve Stem Seal Sets

Most Popular Performance Water Outlet for 1984 Buick LeSabres

Enhance your 1984 Buick LeSabre with this popular Performance Water Outlet we have in stock, for $26.99.

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$26.99

Fits Oldsmobile 330, 350, 425 and 455 engines
Chrome plated
Bolts included
Designed for OEM fit
Easy to install
O-ring/gasket not included

Best-Selling 1984 Buick LeSabre Performance Intake Manifold

Upgrade your LeSabre with our best-selling Performance Intake Manifold.

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from

$401.99

Product Features:

For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 deg. Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
Not for C-3 and C-4 Electronic Fuel Mngmt Systems

Top-Quality Performance Engine Coolant Thermostats for 1984 Buick LeSabres

Choose a high-quality OEM or aftermarket Performance Engine Coolant Thermostat for Buick LeSabres and enjoy top-notch performance from $29.99.

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$29.99

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

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$29.99

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

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$32.49

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

Our Top Pick for a 1984 Buick LeSabre Performance Engine Intake Manifold Gasket

Invest in a durable Performance Engine Intake Manifold Gasket for your 1984 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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$32.99

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

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

Our Performance Engine Cylinder Head Gaskets for 1984 Buick LeSabres

Make a smart move for your 1984 Buick LeSabre with our Performance Engine Cylinder Head Gasket for $61.99.

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$61.99

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.

FAQs for 1984 Buick LeSabre Performance Engines

What are the best-selling Performance Engines for 1984 Buick LeSabres?

Out of 54 Performance Engines that fit 1984 Buick LeSabres, the following parts are the top sellers:

High Performance Thermostat (22903641) – $32.49
Water Neck; Olds (22905408) – $26.99
Valve Seals, Umbrella 11/32" 1 St (10214929) – $230.99

What’s the price range for 1984 Buick LeSabre Performance Engines?

The prices of Performance Engines for the 1984 Buick LeSabre range from $7.99 up to $975.99 for the most premium parts.

What is the average price of a Performance Engine for a 1984 Buick LeSabre?

The average price for Performance Engines for the 1984 Buick LeSabre is $197.62. 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.

Does Advance Auto Parts sell Performance Engines for other Buick LeSabre model years?

Yes, we carry Performance Engines for 45 model years of Buick LeSabres between 1959 and 2005. The following model years are the most popular for Performance Engine purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Performance Engines for my 1984 Buick LeSabre?

The cheapest 1984 Buick LeSabre Performance Engines we carry are:

Flat 1 Piece Guide Plate for Olds 350-455 with 5/16" Pushrod and 5/16" Stud (50288914) – $7.99
High Energy 8.234" Long, 5/16" Diameter Pushrod (50289288) – $7.99
High Energy 8.500" Long, 5/16" Diameter Pushrod (50289696) – $7.99
7 Degree Steel Retainer for 11/32" Valve with 1.437"-1.500" Spring (50289120) – $10.99
High Energy Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 265-455 (50286484) – $13.99

Does Advance Auto Parts sell Performance Engines for any other 1984 Buick models?

Yes. We stock Performance Engines for 4 other popular 1984 Buick models. Some of the most popular are 1984 Regal Performance Engines, 1984 Century Performance Engines, 1984 Skylark Performance Engines, 1984 Riviera Performance Engines, and 1984 Electra Performance Engines.

What types of Performance Engines do you sell for my 1984 Buick LeSabre?

As of 6/2/26, these are some of the most in-demand types of Performance Engines for a 1984 Buick LeSabre:

Can I get help with 1984 Buick LeSabre 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 LeSabre Performance Engines?

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

1984 Buick LeSabre Performance Engines

Edelbrock – Performer Intake Manifold for Olds 400-455, Non-EGR, Satin (Part No.2151)

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

Competition Cams – PUSHROD SET, SBC 3/8 1 ST (Part No.7513-16)

Competition Cams – Magnum 8.280" Long, .080" Wall, 3/8" Diameter Pushrod Set of 8 (Part No.7131-8)

Spectre – Water Neck; Olds (Part No.4733)

Mr. Gasket – O-Ring Style Chrome Water Neck (Part No.2557)

Competition Cams – 11 Steel Retainer for Buick 350-455 with 1.225"-1.250" OD Valve Spring (Part No.712-1)

Competition Cams – Tool Steel 10 Degree Retainer Set Of 16 For All Valves With 1.250" O.D. Springs (Part No.1750-16)

B & M – Holeshot 2400 (Part No.20412)

B & M – Tork Master 2000: Value-Priced Street Performance Torque Converter (Part No.70420)

Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1605-16)

Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam and Lifter Kit (Part No.CL51-222-4)

Competition Cams – Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit (Part No.CL51-600-5)

Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.51-233-4)

Competition Cams – Magnum/Marine/Magnum Muscle 230/230 Hydraulic Flat Cam (Part No.42-231-4)

Edelbrock – Sure Seat Valve Springs for Chevy 262-400 V8 1957-95 (Part No.5802)

Competition Cams – Engine Valve Spring (Part No.988-16)

Competition Cams – Valve Seals, Umbrella 11/32" 1 St (Part No.502-16)

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

Competition Cams – High Energy Timing Set for ’67-’76 Buick 400-455 (Part No.3217)

Mr. Gasket – Advance And Retard Cam Bushings (Part No.85)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

Edelbrock – Intake Manifold Gasket for 1961-79 3626-389-400-421-428-455 Pontiac (Part No.7280)

Mr. Gasket – Intake Gasket (Part No.143)

Mr. Gasket – Gskt Intake (Part No.5812)

Edelbrock – Intake Manifold Gasket for 1958-1986 Small-Block Chevy (Part No.7201)

Spectre – Water Neck; Olds (Part No.4733)

Edelbrock – Performer Buick 3.8L, 4.1L V6 Intake Manifold (Part No.5486)

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

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

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

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)