Load image into Gallery viewer, 1-2466-4185  420 Small Block Chevy 1-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, 1-2466-4185  420 Small Block Chevy 1-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, 1-2466-4185  420 Small Block Chevy 1-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore

SKU: 1-2466-4185

1-2466-4185 420 Small Block Chevy 1-FX Series -28cc Dish Top Forged Piston Set. 4.185 bore

Regular price $669.95
Sale price $669.95 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.

420 Small Block Chevy 1-FX Series 4032 Alloy Comp Hgt: 1.062" -28cc Dish Top Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 3.875" Rod: 6.000" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-10.18, 64cc-9.64, 70cc-9.15

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 420

With/Without Rings: Without Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.062"

Pin Diameter: .927

Connecting Rod Length: 6.000"

Crankshaft Stroke: 3.875"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-28cc Dish Top
ChamberComp. Ratio
58cc10.18 to 1
64cc9.64 to 1
70cc9.15 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 420

With/Without Rings: Without Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.062"

Pin Diameter: .927

Connecting Rod Length: 6.000"

Crankshaft Stroke: 3.875"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-28cc Dish Top
ChamberComp. Ratio
58cc10.18 to 1
64cc9.64 to 1
70cc9.15 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature