1989 Chevrolet G20 Performance Engines

Essential 1989 Chevrolet G20 Performance Engines

Competition Cams – Engine Valve Spring Kit (Part No.911-16)

Engine Valve Spring Kit

from

$759.99
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.O.D. Dia. 1 I.D. Dia. 2 Damper Seat Load Open Load Coil Bind Rate (Lbs./In.) Titanium Retainer Steel Retainer Cup Seat Shims 1.524 1.110 Y 122 @ 1.900 309 @ 1.400 1.200 373 721, 732 1732, 741 4779* 4757

Product Features:
  • Seat pressure: 122 lbs. @ 1.900″, Open Pressure: 309 lbs. @ 1.400″
  • O.D.: 1.524″, I.D.: 1.110″
  • Single valve springs with damper
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Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST

from

$213.99
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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B & M – Holeshot 2400 (Part No.70441)

Holeshot 2400

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$709.99
Holeshot 2400 for GM 1998 to 2002 4L60E Camaro and Firebird with an LS1 engine Application: GM 1998 to 2002 4L60E Camaro and Firebird with LS1 A higher than stock stall speed as delivered by the Holeshot converter will provide several advantages and benef

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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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Cylinder Head Dowel Pins

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$17.79
Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

Product Features:
  • Precision Machined
  • Case Hardened
  • Give Accurate Alignment
  • 2 Per Set
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Mr. Gasket – Intake Bolt Kit (Part No.5003)

Intake Bolt Kit

from

$75.99
Finish your custom engine job with these show quality grade 5 chromed 12-point bolts, includes AN washers which have no exposed shoulder for a professional appearance. Includes (12) 3/8-16 x 1 inch bolts with (12) 3/8 inch AN washers.

Product Features:
  • Chrome plated
  • Grade 8
  • 12-point head
  • AN washers with no exposed shoulder for a professional appearance
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Edelbrock – Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242 (Part No.4243)

Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242

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$41.99
Product Features:
  • Replacement Gasket Set For PN[4242]
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9730)

Performer Series Retainer (Qty 16)

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$99.99
Product Features:
  • Use W/ Valve Springs Part #5703, 5794
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5867)

Ultra Seal: Valve Cover Gasket Set

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$38.49
Ultra-Seal is Mr. Gasket premium valve cover gasket material. It’s manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For original equipment replacement, high performance street, drag race and oval track use. Sold as a pair, these gaskets are .187 inch thick. They fit both 1987-2002 Gen I Chevrolet Small Blocks as well as 1992-1997 Gen II LT-Based Small Blocks.

Product Features:
  • Manufactured from high-density cork /rubber blend gasket material
  • A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage
  • Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil
  • For OE replacement, high performance street, drag race and oval track
  • .187″ thick
  • Handles Ex Flange Pressure
  • Forms Leak Proof Seal
  • Black Latex Coating
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Competition Cams – Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-602-4)

Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454

from

$1322.99
BIG BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Product Features:
  • Cam and lifter kit for Big Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Big Mutha’ Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
  • 295/312 Advertised Duration, 243/257 Duration @ .050″, .522″/.507″ Lift, 107 Lobe Separation
  • Valve spring upgrade required
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Weiand – Action Plus Water Pumps (Part No.9208P)

Action Plus Water Pumps

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$215.99
Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:
  • Twisted Snout Water Pump Design For Updated Style
  • Street Performance
  • Heavy Duty Shaft w/5/8 in. Pilot
  • Six-Blade Stamped Steel
  • Anti-Cavitation Impeller
  • 100 Percent Leak Tested
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Edelbrock – Intake Manifold Gasket for 1985-1995, Chevy V6 200-229-262 (Part No.7209)

Intake Manifold Gasket for 1985-1995, Chevy V6 200-229-262

from

$27.99
Edelbrock part #7209 Intake Gaskets for 1985-1995, Chevy V6 200-229-262 (3.8 and 4.3L) allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-

Product Features:
  • 1.28″x2.10″
  • Stock Port Style
  • .060″ Thick
  • Multi Piece Configuration
  • Composite Material
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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

from

$26.99
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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Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

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$68.99
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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Mr. Gasket – Ultra Seal: Head Gasket (Part No.5801G)

Ultra Seal: Head Gasket

from

$64.99
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 4.190 inch, Compressed thickness 0.038 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core has excellent thermo-conductivity-transfers 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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Edelbrock – RPM AIR-Gap Dual-Quad Small Block Chevy Endurashine Intake Manifold (Part No.75254)

RPM AIR-Gap Dual-Quad Small Block Chevy Endurashine Intake Manifold

from

$536.99
Air gap cooler and denser mixture for more power. Street and high performance compatible. Available in cast, polished and endurashine finish.

Product Features:
  • Finish-Bright Silver Chrome That Will Not Discolor
  • Based on C26 Low Profile with Unique Air Gap
  • Air Gap Cooler and Denser Mixture for More Power
  • 1.625 in. Taller Than Low-Profile PN[5425]
  • Also Available As Complete Kit PN[2025/20254]
  • Best When Matched with Edelbrock 500cfm Carburetor
  • Use Fuel Line Kit PN[8088/8091]
  • Use Progressive Throttle Linkage Kit PN[7094]
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Edelbrock – TR1-Y Small Block Chevy Top Only Intake Manifold (Part No.7032)

TR1-Y Small Block Chevy Top Only Intake Manifold

from

$141.99
Intake manifold base only. Match with top. For 3500 to 7500 PRM. Use where low-end torque is not a prime factor. Great for engines with slightly modified heads. Top has vacuum outlet for power brakes. Carburetor center-to-center dimensions 8.875 inch. HEI ignition will not clear manifold. Street machines, street rods, pro-street and marine.

Product Features:
  • Top Only-See PN[7119] for Complete-Bottom PN[7067]
  • Use Where Low-End Torque is Not a Prime Factor
  • Great For Engines w/Slightly Modified Heads
  • Top Has Vacuum Outlet for Power Brakes
  • Will Accept Forward and Sideways Mounted Carbs
  • Carburetor Center-to-Center Dimensions 8.875 in
  • HEI Ignition Will Not Clear Manifold
  • For Street Mach.; Street Rods; Pro-Street; Marine
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Mr. Gasket – Engine Sealing (Part No.6560)

Engine Sealing

from

$499.99
Manufactured from cellulose and nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Made of high temp silicone or nitrile blend rubber
  • Torque limiters to prevent over tightening
  • One piece molded rubber
  • Fits left and right hand dipsticks
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)

PERFORMANCE OIL PAN GASKET SET

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$27.49
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.
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9646)

Pushrod Set for S/B Chevy

from

$203.99
Edelbrock part #9646 Pushrods are designed for small-block Chevy V-8 engine applications. These one-piece pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum durability. They have precise forme

Product Features:
  • 7.25 in. Length
  • 0.312 in. Diameter
  • 4130 Chromoly Steel Material
  • Black Oxide Finish
  • Made In The USA
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Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set

from

$157.99
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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Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Flat Tappet Polished (Part No.609019)

Performer Small-Block Chevy Cylinder Head 64cc Flat Tappet Polished

from

$927.99
The Edelbrock #609019 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or
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Edelbrock – Engine Cylinder Head (Part No.60849)

Engine Cylinder Head

from

$605.99


Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • Hand-Blended Intake and Exhaust Bowls
  • CNC-Matched Intake/Exhaust Ports in Std Location
  • Thicker Deck Surfaces than Other Brands
  • Hardened Tip Stainless Swirl-Polished Valves
  • Heli-Coils Rocker Studs And Exhaust Bolt Holes
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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7810)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$74.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
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Edelbrock – TIMING CHAIN (Part No.7844)

TIMING CHAIN

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$29.99
Product Features:
  • Timing Chain Only
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Competition Cams – CAMSHAFT, SBC 291 MUTHA THUMPR HYDRAULIC ROLLER 1 EA (Part No.12-601-8)

CAMSHAFT, SBC 291 MUTHA THUMPR HYDRAULIC ROLLER 1 EA

from

$522.99
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, the Thumpr series’ early i

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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Competition Cams – Thumpr 227/241 Hydraulic Flat Cam (Part No.11-600-4)

Thumpr 227/241 Hydraulic Flat Cam

from

$542.99
HYDRAULIC – Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.

Product Features:
  • HYDRAULIC – Thumpr: High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.
  • 279/296 Advertised Duration, 227/241 Duration @ .050″, .498″/.483″ Lift, 107 Lobe Separation
  • Valve spring upgrade required
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2912)

PERFORMANCE REAR MAIN SEAL SET

from

$36.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • 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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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2919)

Engine Crankshaft Seal Kit

from

$37.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
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1989 Chevrolet G20 Performance Engines

Maybe you’re in the middle of a full rebuild of that 1989 Chevrolet G20. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 72 different Performance Engines in our inventory ranging from $14.99 to $1,028.99. That means you can find the exact parts or products you need to keep that 1989 Chevrolet G20 running smoothly.

Performance Engines are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1989 Chevrolet G20. Mr. Gasket, FEL-PRO Performance, and Weiand are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1989 Chevrolet G20, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 198 reviews in this category, some of the top rated parts include Action Plus Water Pumps with 3.7 stars and Action Plus Water Pumps with 1.5 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1989 Chevrolet G20 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1989 Chevrolet G20 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1989 Chevrolet G20 demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your G20 the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular B & M Performance Engines

We carry B & M parts in our stock across Performance Torque Converters categories, plus more. For a 1989 Chevrolet G20, our most popular B & M Performance Engines include:
Tork Master 2400
from $339.99
(1)
Tork Master 2400
Performance Torque Converters
Tork Master 3000
from $499.99
(1)
Tork Master 3000
Performance Torque Converters

Top 1989 Chevrolet G20 Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1989 Chevrolet G20. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats

FAQs for 1989 Chevrolet G20 Performance Engines

What are the most purchased Performance Engines for the 1989 Chevrolet G20?

Out of 72 Performance Engines for the 1989 Chevrolet G20, the most popular in our inventory are:
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Intake Manifold Bolt Set - Chevrolet Small Block - Socket Head 3/8"-16 X 1" Bolts & Washers
from $17.49
This product is not rated
Intake Manifold Bolt Set – Chevrolet Small Block – Socket Head 3/8"-16 X 1" Bolts & Washers
Performance Intake Manifold Hardware

What are the top-rated 1989 Chevrolet G20 Performance Engines?

Top-rated Performance Engines for your 1989 Chevrolet G20 based on customer reviews/ratings are:
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”
Action Plus Water Pumps
from $215.99
(2)
Action Plus Water Pumps
“The twisted neck comes to far up on the hub. For a 2 groove pulley it causes the pulley to hit the water pump. You will also need new bolts for the”
Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish
from $329.99
(1)
Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish
“product fit as described , no complaints”