Load image into Gallery viewer, K1-6130-4160-400 - 4.250 Stroke-Pontiac Late  FXK1 Series -7cc Flat Top  Pontiac Late-Forged-Piston-Set- 4.16 inch bore
Load image into Gallery viewer, K1-6130-4160-400 - 4.250 Stroke-Pontiac Late  FXK1 Series -7cc Flat Top  Pontiac Late-Forged-Piston-Set- 4.16 inch bore
Load image into Gallery viewer, K1-6130-4160-400 - 4.250 Stroke-Pontiac Late  FXK1 Series -7cc Flat Top  Pontiac Late-Forged-Piston-Set- 4.16 inch bore
Load image into Gallery viewer, K1-6130-4160-400 - 4.250 Stroke-Pontiac Late  FXK1 Series -7cc Flat Top  Pontiac Late-Forged-Piston-Set- 4.16 inch bore

SKU: K1-6130-4160

K1-6130-4160-400 - 4.250 Stroke-Pontiac Late FXK1 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.16 inch bore

Regular price $834.95
Sale price $834.95 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 - 4.250 Stroke Pontiac Late FX Comp Height: 1.285 -7cc Flat Top PIN: .990 Ring Groove: 1/16-1/16-3/16" Stroke: 4.25 ROD: 6.8 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing Ductile Moly ring set. Comp Ratio: 62cc-13.15, 87cc-10.20, 124cc-7.76


Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.250 Stroke

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.160 in - 105.58 mm

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

Compression Height: 1.285

Pin Diameter: .990

Connecting Rod Length: 6.800 in

Crankshaft Stroke: 4.250 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-7cc Flat Top Pontiac Late
ChamberComp Ratio
62cc13.15 to 1
87cc10.2 to 1
124cc7.76 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.250 Stroke

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.160 in - 105.58 mm

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

Compression Height: 1.285

Pin Diameter: .990

Connecting Rod Length: 6.800 in

Crankshaft Stroke: 4.250 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-7cc Flat Top Pontiac Late
ChamberComp Ratio
62cc13.15 to 1
87cc10.2 to 1
124cc7.76 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature