8156-4125 420 Small Block Chevy SX Series -28cc Dish Top Forged Piston Set. 4.125 bore

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SKU: 8156-4125

8156-4125 420 Small Block Chevy SX Series -28cc Dish Top Forged Piston Set. 4.125 bore

Name: 8156-4125 420 Small Block Chevy SX Series -28cc Dish Top Forged Piston Set. 4.125 bore
Brand: DSS RACING
SKU: 8156-4125
Price: 539.95 USD
Availability: InStock

$539.95

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420 Small Block Chevy SX Series Pistons 4032 Alloy Comp Hgt: 1.062" -28cc Dish Top Pin: .927 Ring Grooves: 1/16-1/16-3/16" Stroke: 3.875" Rod: 6.000" Aprox Comp Ratio: 58cc-9.95, 64cc-9.42, 70cc-8.94

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 420

With/Without Rings: Without Rings

Cylinder Bore Size: 4.125 in - 104.7 mm

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

Compression Height: 1.062"

Pin Diameter: .927

Connecting Rod Length: 6.000"

Crankshaft Stroke: 3.875"

Piston Series: SX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-28cc Dish Top
Chamber	Comp. Ratio
58cc	9.95 to 1
64cc	9.42 to 1
70cc	8.94 to 1

Download Piston Instructions

Piston Specs