1978 Chevy G20 Engine Parts

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1978 Chevy G20

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1978 Chevy G20

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-18%

KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Keith Black |

#4749911

KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

(6)

Wrist Pin Included:

Yes

Wrist Pin Style:

Press-Fit or Floating

$314.16

/set

$387.85

Speedway 1970-81 Chevy 400 Complete Gasket Set

Speedway Motors |

#91010260

Speedway 1970-81 Chevy 400 Complete Gasket Set

(2)

Sold in Quantity:

Each

Bore Size:

4.125"

$60.99

/set

Ships FREE!

BluePrint BP4002CTC1 GM 400, Base Dressed Engine, Alum Heads, Roller Cam

BluePrint Engines |

#227BP4002CTC1

BluePrint BP4002CTC1 GM 400, Base Dressed Engine, Alum Heads, Roller Cam

Crate Engine Type:

Long Block

Compression Ratio:

10.3:1

Engine Displacement:

400 cu. in.

$8,699.00

/each

$196 Off

Icon Chevy 434 Forged Pistons, Flat Top, 6.0 Rod

Icon Pistons |

#474849

Icon Chevy 434 Forged Pistons, Flat Top, 6.0 Rod

(1)

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Forged Aluminum

Wrist Pin Included:

Yes

$834.70

/set

$1,030.49

Pro Race |

#91024266

Pro Race 24266 Pro/Street 8 Inch SBC Harmonic Balancer

(9)

Outside Diameter:

Engine Balance:

Internal/External

$129.99

/each

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Historic Chevy Performance Engines

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Chevy L79 327 Engine I History, Specs, & Build Ideas

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.

55 Chevy Engine Build

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Chris Ryan's 1978 Pontiac Trans Am

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

1967-1972 Chevy C10 Pickup Lowering Guide

From a mild leveling to slammed and “in the weeds” there are several options to lowering a C10. We discuss the options in our ’67-’72 C10 lowering guide.

New Sheet Metal, Bodywork and Paint | 1968 C10 Build Episode 7

Now that our '68 C10 cab is straight and rust-free, it's time to bolt on the rest of the sheet metal, get it straight, and get it painted!

Progress Update | 1968 C10 Build

We've come a long way on our '68 C10 project, but we still have a long way to go. Watch as Kevin and Joe discuss where we're at and where we're going.

$106 Off

KB Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Keith Black |

#474125

KB Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$450.07

/set

$555.64

Clevite |

#757M1038H

Clevite M1038H Chevy SBC 400 Main Bearings – Clevite H-Series

Grooved Bearing:

Yes

Groove Location:

Upper

Bearing Material:

Tri-metal copper-lead nickel

as low as

$88.99

/set

Scat |

#91515575

Scat 4-400-4000-6000 434 Chevy, 4.00 Stroke

Stroke:

4.000"

Main Journal Style:

400 mains

Crankshaft Material:

Forged 4340 Steel

$1,004.99

/each

$120 Off

KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod

Keith Black |

#474129

KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod

(1)

Piston Style:

Dome

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$509.48

/set

$628.99

$120 Off

KB Chevy 377/400 Hypereutectic Pistons, .150 Dome, 5.7/5.565 Rod

Keith Black |

#474182

KB Chevy 377/400 Hypereutectic Pistons, .150 Dome, 5.7/5.565 Rod

Piston Style:

Dome

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

as low as

$511.23

/set

$631.15

Speedway Gas Proven Series Piston Rings, 4.125 Bore, Styles A, B, C

Speedway Motors |

#9152187

Speedway Gas Proven Series Piston Rings, 4.125 Bore, Styles A, B, C

(1)

Piston Ring Design:

Conventional

Top Ring Material:

Cast Iron

Sold in Quantity:

Set

as low as

$77.99

/set

Speedway Moly Piston Rings, 4.125 Bore, Style A

Speedway Motors |

#9152340

Speedway Moly Piston Rings, 4.125 Bore, Style A

(2)

Piston Ring Style:

Piston Ring Design:

Conventional

Sold in Quantity:

Set

$81.99

/set

Scat |

#91515574

Scat 440076 421 Chevy Crankshaft, 3.875 Stroke, 400 Main

Stroke:

3.875"

Main Journal Style:

400 mains

Crankshaft Material:

Forged 4340 Steel

$926.99

/each

Total Seal |

#718M0690

Total Seal Piston Rings 4.125 plus over size 1/16x1/16x3/16

(1)

Piston Ring Style:

Piston Ring Design:

Gapless Top Ring

Sold in Quantity:

Set

$381.57

/set

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

Speedway Motors |

#91510290

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

(1)

Connecting Rod Type:

H-Beam

Piston Style:

Flat Top

Piston Material:

Hypereutectic Aluminum

$1,732.99

/kit

$196 Off

Icon Chevy 434 Forged Pistons, .180 Flat Top, 6.0 Rod

Icon Pistons |

#474893

Icon Chevy 434 Forged Pistons, .180 Flat Top, 6.0 Rod

Piston Style:

Dome

Piston Material:

Forged Aluminum

Wrist Pin Included:

Yes

$834.70

/set

$1,030.49

KB Chevy 400 Hyperutectic Pistons, Flat Top, 6.0 Rod

Keith Black |

#474128

KB Chevy 400 Hyperutectic Pistons, Flat Top, 6.0 Rod

(1)

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$473.99

/set

Fel-Pro |

#3441144

Fel-Pro 1144 S/B Chevy 400 Head Gasket, Multi-layer Steel, 4.200 Bore

(1)

GTIN Code:

614046642447

$96.99

/each

Fel-Pro |

#3441004

Fel-Pro P1004 S/B Chevy 400 Head Gasket, Steel Ring, 4.190 Inch Bore

Sold in Quantity:

Each

Gasket Bore:

4.190"

Material Type:

Steel

$68.99

/each

-18%

KB Claimer Chevy 377/400 Hypereutectic Pistons, Flat Top, 5.7/5.565 Rod

Keith Black |

#4749907

KB Claimer Chevy 377/400 Hypereutectic Pistons, Flat Top, 5.7/5.565 Rod

(1)

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$314.16

/set

$387.85

Speedway S/B Chevy 400 Head Gaskets, 4.125 Bore w/o Steam Holes

Speedway Motors |

#91010201

Speedway S/B Chevy 400 Head Gaskets, 4.125 Bore w/o Steam Holes

Bore Size:

4.125"

Sold in Quantity:

Pair

$32.99

/pair

Scat |

#91510400

Scat 940050 400 Chevy Crankshaft

(1)

Stroke:

3.750"

Main Journal Style:

400 mains

Crankshaft Material:

Cast Steel

$342.99

/each

Speedway 400 Chevy Crankshaft, Two-Piece Main

Speedway Motors |

#91515400

Speedway 400 Chevy Crankshaft, Two-Piece Main

(9)

Stroke:

3.750"

Main Journal Style:

400 mains

Crankshaft Material:

Cast Steel

$239.99

/each

KB Chevy 400 Hypereutectic Pistons, Dish, 5.7 Inch Rod

Keith Black |

#474168

KB Chevy 400 Hypereutectic Pistons, Dish, 5.7 Inch Rod

(3)

Piston Style:

Dish

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

as low as

$494.85

/set

$118 Off

KB Chevy 400 Hypereutectic Pistons, .100 Dome, 5.7 Rod

Keith Black |

#474127

KB Chevy 400 Hypereutectic Pistons, .100 Dome, 5.7 Rod

(1)

Piston Style:

Dome

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

$503.19

/set

$621.22

Clevite |

#757M578

Clevite M578 P-Series Small Block Chevy 400 Main Bearings

(1)

as low as

$78.99

/set

$181 Off

Total Seal |

#718

Total Seal TS1 Gapless 2nd Piston Rings, 4.00/4.125 Bores, Styles A, B, C

(3)

Sold in Quantity:

Set

as low as

$35.43

/set

$215.99

-26%

Small Block Chevy 400 Harmonic Balancer, 8 Inch, Plain Steel

Speedway Motors |

#UP230889

Small Block Chevy 400 Harmonic Balancer, 8 Inch, Plain Steel

Garage Sale Type:

Blemished

Outside Diameter:

Material Type:

Steel

$59.49

/each

$80.99

$203 Off

Scat |

#UP230902

Scat 440050 400 Chevy 4340 Forged Crankshaft, 3.75 Stroke, 400 Main

Garage Sale Type:

Open Box

Stroke:

3.750"

Main Journal Style:

400 mains

$660.95

/each

$863.99

Street SB Chevy 400 Rotating Assembly, Dish Piston, 5.7 In Rod

Speedway Motors |

#91510249

Street SB Chevy 400 Rotating Assembly, Dish Piston, 5.7 In Rod

Connecting Rod Type:

I-Beam

Piston Style:

Dish

Piston Material:

Hypereutectic Aluminum

$1,310.99

/kit

SB Chevy Rotating Assembly, 400 Flat Top-2 Valve Relief, 5.7 Rod

Speedway Motors |

#91510219

SB Chevy Rotating Assembly, 400 Flat Top-2 Valve Relief, 5.7 Rod

(1)

Connecting Rod Type:

I-Beam

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

$1,132.99

/kit

Speedway S/B Chevy 400 Head Gaskets, 4.125 In Bore w/Steam Holes

Speedway Motors |

#91010202

Speedway S/B Chevy 400 Head Gaskets, 4.125 In Bore w/Steam Holes

Bore Size:

4.125"

Overall Thickness:

.050"

$29.99

/each

Speedway Motors |

#91015400

Small Block Chevy 400 Harmonic Balancer, 8 Inch, Plain Steel

(7)

Outside Diameter:

Material Type:

Steel

$80.99

/each

Speedway Small Block Chevy Overhaul Gasket Set, 400 Chevy '70-'81

Speedway Motors |

#9152400

Speedway Small Block Chevy Overhaul Gasket Set, 400 Chevy '70-'81

(9)

Sold in Quantity:

Set

$64.99

/set

Clay Smith Hydraulic Cam / Lifter Kit, 296/302 Small Block Chevy 400

Clay Smith Cams |

#1503104

Clay Smith Hydraulic Cam / Lifter Kit, 296/302 Small Block Chevy 400

Intake Duration (.050" Lift):

237

Exhaust Duration (.050" Lift):

243

Lobe Separation:

108 °

$1,125.99

/set

Forged 421 SBC Stroker Kit Rotating Assembly, 400 Mains, 6" Rod

Speedway Motors |

#9151272

Forged 421 SBC Stroker Kit Rotating Assembly, 400 Mains, 6" Rod

(4)

Connecting Rod Type:

H-Beam

Piston Style:

Flat Top

Piston Material:

Forged Aluminum

as low as

$2,157.99

/kit

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1978 Chevy G20 Engine Parts

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Products

KB Claimer Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Speedway 1970-81 Chevy 400 Complete Gasket Set

BluePrint BP4002CTC1 GM 400, Base Dressed Engine, Alum Heads, Roller Cam

Icon Chevy 434 Forged Pistons, Flat Top, 6.0 Rod

Pro Race 24266 Pro/Street 8 Inch SBC Harmonic Balancer

Related Articles

KB Chevy 400 Hypereutectic Pistons, Flat Top, 5.7 Rod

Clevite M1038H Chevy SBC 400 Main Bearings – Clevite H-Series

Scat 4-400-4000-6000 434 Chevy, 4.00 Stroke

KB Chevy 400 Hypereutectic Pistons, .150 Dome, 6.0 Rod

KB Chevy 377/400 Hypereutectic Pistons, .150 Dome, 5.7/5.565 Rod

Speedway Gas Proven Series Piston Rings, 4.125 Bore, Styles A, B, C

Speedway Moly Piston Rings, 4.125 Bore, Style A

Scat 440076 421 Chevy Crankshaft, 3.875 Stroke, 400 Main

Total Seal Piston Rings 4.125 plus over size 1/16x1/16x3/16

Premium Small Block Chevy Rotating Assembly, 400 Flat Top, 6 Inch Rods

Icon Chevy 434 Forged Pistons, .180 Flat Top, 6.0 Rod

KB Chevy 400 Hyperutectic Pistons, Flat Top, 6.0 Rod

Fel-Pro 1144 S/B Chevy 400 Head Gasket, Multi-layer Steel, 4.200 Bore

Fel-Pro P1004 S/B Chevy 400 Head Gasket, Steel Ring, 4.190 Inch Bore

KB Claimer Chevy 377/400 Hypereutectic Pistons, Flat Top, 5.7/5.565 Rod

Speedway S/B Chevy 400 Head Gaskets, 4.125 Bore w/o Steam Holes

Scat 940050 400 Chevy Crankshaft

Speedway 400 Chevy Crankshaft, Two-Piece Main

KB Chevy 400 Hypereutectic Pistons, Dish, 5.7 Inch Rod

KB Chevy 400 Hypereutectic Pistons, .100 Dome, 5.7 Rod

Clevite M578 P-Series Small Block Chevy 400 Main Bearings

Total Seal TS1 Gapless 2nd Piston Rings, 4.00/4.125 Bores, Styles A, B, C

Small Block Chevy 400 Harmonic Balancer, 8 Inch, Plain Steel

Scat 440050 400 Chevy 4340 Forged Crankshaft, 3.75 Stroke, 400 Main

Street SB Chevy 400 Rotating Assembly, Dish Piston, 5.7 In Rod

SB Chevy Rotating Assembly, 400 Flat Top-2 Valve Relief, 5.7 Rod

Speedway S/B Chevy 400 Head Gaskets, 4.125 In Bore w/Steam Holes

Small Block Chevy 400 Harmonic Balancer, 8 Inch, Plain Steel

Speedway Small Block Chevy Overhaul Gasket Set, 400 Chevy '70-'81

Clay Smith Hydraulic Cam / Lifter Kit, 296/302 Small Block Chevy 400

Forged 421 SBC Stroker Kit Rotating Assembly, 400 Mains, 6" Rod