Load image into Gallery viewer, 8125-4125  400 Small Block Chevy SX Series -21cc Dish Top  Forged Piston Set. 4.125 bore
Load image into Gallery viewer, 8125-4125  400 Small Block Chevy SX Series -21cc Dish Top  Forged Piston Set. 4.125 bore
Load image into Gallery viewer, 8125-4125  400 Small Block Chevy SX Series -21cc Dish Top  Forged Piston Set. 4.125 bore

SKU: 8125-4125

8125-4125 400 Small Block Chevy SX Series -21cc Dish Top Forged Piston Set. 4.125 bore

Regular price $539.95
Sale price $539.95 Regular price
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Ships in 1 - 8 days

Made in the USA

Made in the USA

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This is a pre order item. We will ship it when it comes in stock.

400 Small Block Chevy SX Series Pistons 4032 Alloy Comp Hgt: 1.425" -21cc Dish Top Pin: .927 Ring Grooves: 1/16-1/16-3/16" Stroke: 3.750" Rod: 5.700" Aprox Comp Ratio: 58cc-10.36, 64cc-9.76, 70cc-9.23

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 400

With/Without Rings: Without Rings

Cylinder Bore Size: 4.125 in - 104.7 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.425"

Pin Diameter: .927

Connecting Rod Length: 5.700"

Crankshaft Stroke: 3.750"

Piston Series: SX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc10.36 to 1
64cc9.76 to 1
70cc9.23 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 400

With/Without Rings: Without Rings

Cylinder Bore Size: 4.125 in - 104.7 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.425"

Pin Diameter: .927

Connecting Rod Length: 5.700"

Crankshaft Stroke: 3.750"

Piston Series: SX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc10.36 to 1
64cc9.76 to 1
70cc9.23 to 1

Download Piston Instructions