K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore
K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore
K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore

SKU: K2-2450-4165

K2-2450-4165 420 Small Block Chevy K2-FX Series -5cc Flat Top Forged Piston Set. 4.165 bore

$864.95
$864.95
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Ships in 1 - 8 days

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 K2-FX 2618 Alloy With Rings Comp Hgt: 1.362" -5cc Flat 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-13.02, 64cc-12.09, 70cc-11.30

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 420

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.165 in - 105.71 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:

-5cc Flat Top
ChamberComp. Ratio
58cc13.02 to 1
64cc12.09 to 1
70cc11.30 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 420

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.165 in - 105.71 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:

-5cc Flat Top
ChamberComp. Ratio
58cc13.02 to 1
64cc12.09 to 1
70cc11.30 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature