K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
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Load image into Gallery viewer, K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
Load image into Gallery viewer, K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
Load image into Gallery viewer, K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore

SKU: K2-6135-4180

K2-6135-4180-400 - 4.250 Stroke-Pontiac Late FXK2 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore

$864.95
$864.95
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Made in the USA

Made in the USA

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400 - 4.250 Stroke Pontiac Late FX Comp Height: 1.285 -18cc Dish 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-11.75, 87cc-9.39, 124cc-7.34


Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.250 Stroke

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.180 in - 106.09 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: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-18cc Dish Top Pontiac Late
ChamberComp Ratio
62cc11.75 to 1
87cc9.39 to 1
124cc7.34 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: 4.180 in - 106.09 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: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-18cc Dish Top Pontiac Late
ChamberComp Ratio
62cc11.75 to 1
87cc9.39 to 1
124cc7.34 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature