Chevrolet G20 Performance Engines

Name: Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242
Brand: Edelbrock
SKU: 4243
Price: 41.99 USD

If you’re in search of Chevrolet G20 Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 153 Performance Engines from top brands with prices ranging from $14.99 to $1,322.99.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your Chevrolet G20. Of the 8 OEM and aftermarket parts brands we carry, some of the most popular are Mr. Gasket, Edelbrock, and FEL-PRO Performance.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top Chevrolet G20 Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet G20 Performance Engines

from

$41.99

Product Features:

Replacement Gasket Set For PN[4242]

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$22.49

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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$73.99

These grade 8 alloy steel, longer length bolts are designed to compensate for thread length lost when using head bolt washers. This allows increased torque and clamping. Set of 16 does one cylinder head.

Product Features:

Cylinder Head Bolts
Longer-Than-Stock
High Quality Grade 8 Alloy
Increase Torque Settings
Higher Clamp Loads On Gasket

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$235.99

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. Offering

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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$42.99

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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$789.99

The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some GM Holeshots.

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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$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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$23.79

Spectre’s Chevrolet late model water neck offers the normal angled water neck and a 1/2 inch NPT threaded hole for a by-pass hose. This water neck has a chrome plated finish for a lasting look great and includes the bolts.

Product Features:

Fits Chevy engines
Includes a 1/2 inch NPT threaded hole for by-pass hose
Includes bolts
Chrome plated
Easy to install
O-ring/gasket not included

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$112.99

Use with a short water pump to convert to a long water pump.

Product Features:

Water Pump Spacer Kit

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$42.49

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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$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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$14.99

Dowel pins are precision machined and case hardened for accurate head alignment. Two per set. 5/16 inch x 5/8 inch

Product Features:

Precision Machined
Case Hardened
Give Accurate Alignment
2 Per Set

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$259.99

Product Features:

2000-6500 RPM Power Band
Single Plane/Open Plenum Design
No Provision For Divorced Or Hot Air Choke
Square Flange Carburetor Mounting

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$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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$306.99

Product Features:

Designed for Optimum Torque and Acceleration
Maximum Performance From Idle through Mid-Range
Matched to Edelbrock Performer Intakes
Includes Hydraulic Lifters and Assembly Lube
Major Improvement in Throttle Response and Torque
Use For Daily Drivers/Trucks/Vans/RVs/4x4s
Take The Guesswork Out Of Camshaft Selection

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$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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$95.99

Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.

Product Features:

Valve Spring Retainers for Use OE Cast Iron Heads
Superior Quality Heat-Treated Steel
Machined for Strength with Black Oxide Finish
Finish Ensures Rust and Corrosion Protection

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$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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$126.99

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: 105 lbs. @ 1.700″, Open Pressure: 273 lbs. @ 1.250″
O.D.: 1.254″, I.D.: .880″
Single valve springs with damper
Approximately .490″ max lift at recommended installed height

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$23.99

This Mr. Gasket Rear Main Seal is made from silicone to allow the seal to handle extreme engine oil temperature. It also provides for an upgrade for that leaky rope style seal and is a direct replacement for a rubber main seal. It’s also injection molded for a precise fit.

Product Features:

Repairs That Leaky Rear Main Sail
Silicone Rubber to Withstand Extreme Engine Oil Temperatures
Upgrade for Rope Seal Equipped Cars or Direct Replacement for Rubber Main Seal
Injection Molded for Precise Fit

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$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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$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 3.870 inch, Compressed thickness 0.028 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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$58.99

Product Features:

4.125 in. Cylinder Bore Diameter
0.039 in. Thickness
8.7cc Volume
Charcoal Color
Two Piece Configuration

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$1084.99

The Edelbrock #604919 Performer Bare High Compression Cylinder Heads are designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series Cylinder heads are 50-state street legal and provide outstanding performance from Idle-5,500

Product Features:

High Compression
100cc Combustion Chamber Volume
290cc Intake/110cc Exhaust Runner Volume
2.19 in. Intake/1.88 in. Exhaust Valve Diameter
0.562 in. Deck Thickness

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$1028.99

Product Features:

Designed for 1987-95 Throttle Body Injection or Tuned Port Injection 5.7L Small-Block Chevy engines originally equipped with center bolt valve covers
Flat Tappet Camshaft Type
60cc chambers with 165cc intake ports
Size of intake valve is 2.02 in. and exhaust valve is 1.60 in.
Sold as one complete head

Chevrolet G20 Performance Engines List

Performance Engine Coolant Thermostats

Performance Intake Manifolds

Performance Engine Water Pumps

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 Valve Cover Gasket Sets

Performance Engine Rocker Arms

Performance Engine Camshafts

Performance Engine Oil Pan Gaskets

Performance Intake Manifold Hardware

Performance Engine Main Bearing Gasket Sets

Performance Engine Cylinder Head Bolts

Performance Engine Cylinder Head Installation Kits

Performance Engine Timing Cover Gasket Sets

Performance Engine Push Rods

Performance Engine Cylinder Heads

Performance Torque Converters

Performance Engine Valve Spring Retainer

Performance Engines Brands You Can Trust For Your Chevrolet G20

8 trusted brands of Performance Engines line our shelves, ready to help keep your Chevrolet G20 running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Popular B & M Performance Engines

B & M products for the Chevrolet G20 span several categories. Some of the highest-rated B & M Performance Engines that will fit your Chevrolet G20 are:

from $339.99

(1)

Tork Master 2400

Performance Torque Converters

from $499.99

(1)

Tork Master 3000

Performance Torque Converters

Top Chevrolet G20 Performance Engines from Mr. Gasket

Your Chevrolet G20 will be purring again thanks to Mr. Gasket brand Performance Engines available for online order or in-store pick up. Popular Mr. Gasket parts include:

from $26.99

(20)

High Performance 180 Degree Thermostat for Increased Flow

Performance Engine Coolant Thermostats

Most Purchased Chevrolet G20 Performance Engines from Edelbrock

When you buy the most frequently purchased Edelbrock brand Performance Engines, you can be confident it will be the right part for your Chevrolet G20. Here are the Edelbrock Performance Engines Advanced Auto customers buy the most:

from $195.99

(7)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

Performance Intake Manifolds

from $26.99

(20)

High Performance 180 Degree Thermostat for Increased Flow

Performance Engine Coolant Thermostats

from $39.49

(1)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

Performance Engine Cylinder Head Gaskets

FAQs for Chevrolet G20 Performance Engines

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

Out of 153 Performance Engines for the Chevrolet G20, the most popular in our inventory are:

from $195.99

(7)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

Performance Intake Manifolds

from $39.49

(1)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

Performance Engine Cylinder Head Gaskets

from $27.49

This product is not rated

Lower Intake Manifold Gasket Set: 9 Piece Set

Performance Engine Intake Manifold Gaskets

What are the top-rated Chevrolet G20 Performance Engines?

Top-rated Performance Engines for your Chevrolet G20 based on customer reviews/ratings are:

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”

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”

from $334.99

(1)

Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet

“put this cam and lifter kit in my 412 inch small block chevy. works well with patriot alum. heads and edelbrock duel quad intake. all this is running ”

Chevrolet G20 Performance Engines

Your One-Stop Shop For Trusted Chevrolet G20 Performance Engines

Essential Chevrolet G20 Performance Engines

Edelbrock – Replacement Timing Cover Gasket #4243 For SB Chevy, Fits 2-Piece Part #4242 (Part No.4243)

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

Mr. Gasket – Ultra Seal: Cylinder Head Bolts (Part No.941G)

Competition Cams – CAMSHAFT, BBC 280 MAGNUM HYDRAULIC 1 EA (Part No.11-202-3)

Mr. Gasket – Ultra Seal: Intake Gasket (Part No.5817)

B & M – Torque Converter, Holeshot 3000 (Part No.70421)

Mr. Gasket – Engine Sealing (Part No.6560)

Spectre – Water Neck; Chevy Late Model (Part No.4730)

Weiand – Team G; Water Pump Spacer Kit (Part No.8207)

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

Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Mr. Gasket – Cylinder Head Dowel Pins (Part No.4375)

Weiand – X-CELerator; Intake Manifold (Part No.7547-1)

Mr. Gasket – Intake Bolt Kit (Part No.5003)

Edelbrock – Performer-Plus Camshaft Kit for 1976-95 Small Block Chevrolet (Part No.3702)

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

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9721)

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

Competition Cams – Set of 16 Single Springs w/ 1.254" O.D., 1.254" I.D., 1.700" Installed Height (Part No.981-16)

Mr. Gasket – Rear Main Seal Gasket (Part No.1960)

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2919)

Mr. Gasket – Ultra Seal: Head Gasket (Part No.5780G)

Edelbrock – Cylinder Head Gasket Set for Chevrolet (Part No.7310)

Edelbrock – XX Performer Big-Block Chevy Oval Port Hydraulic Flat Tappet Cam Polished (Part No.604919)

Edelbrock – Performer Small-Block Chevy Cylinder Head Hydraulic Flat Tappet Cam (Part No.60859)

Chevrolet G20 Performance Engines List

Performance Engines Brands You Can Trust For Your Chevrolet G20

Popular B & M Performance Engines

Top Chevrolet G20 Performance Engines from Mr. Gasket

Most Purchased Chevrolet G20 Performance Engines from Edelbrock

FAQs for Chevrolet G20 Performance Engines

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

What are the top-rated Chevrolet G20 Performance Engines?

Find Your Chevrolet G20 Performance Engines by Year

More Popular Parts for All Makes