Load image into Gallery viewer, 2-2456-4185  420 Small Block Chevy 2-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, 2-2456-4185  420 Small Block Chevy 2-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, 2-2456-4185  420 Small Block Chevy 2-FX Series -28cc Dish Top  Forged Piston Set. 4.185 bore

SKU: 2-2456-4185

2-2456-4185 420 Small Block Chevy 2-FX Series -28cc Dish Top Forged Piston Set. 4.185 bore

Regular price $699.95
Sale price $699.95 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 2-FX Series 2618 Alloy Comp Hgt: 1.362" -28cc Dish Top Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 3.875" Rod: 5.700" 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: 1.362"

Pin Diameter: .927

Connecting Rod Length: 5.700"

Crankshaft Stroke: 3.875"

Piston Series: 2-FX Series

Alloy: Forged 2618

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: 1.362"

Pin Diameter: .927

Connecting Rod Length: 5.700"

Crankshaft Stroke: 3.875"

Piston Series: 2-FX Series

Alloy: Forged 2618

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