Load image into Gallery viewer, K3-6125-4180-400 - 4.210 Stroke-Pontiac Late  FXK3 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
Load image into Gallery viewer, K3-6125-4180-400 - 4.210 Stroke-Pontiac Late  FXK3 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
Load image into Gallery viewer, K3-6125-4180-400 - 4.210 Stroke-Pontiac Late  FXK3 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore
Load image into Gallery viewer, K3-6125-4180-400 - 4.210 Stroke-Pontiac Late  FXK3 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore

SKU: K3-6125-4180

K3-6125-4180-400 - 4.210 Stroke-Pontiac Late FXK3 Series -18cc Dish Top Pontiac Late-Forged-Piston-Set- 4.18 inch bore

Regular price $1,054.95
Sale price $1,054.95 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 - 4.210 Stroke Pontiac Late FX Comp Height: 1.48 -18cc Dish Top PIN: .980 Ring Groove: 1/16-1/16-3/16" Stroke: 4.21 ROD: 6.625 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing XP Severe Duty ring set. Comp Ratio: 62cc-11.63, 87cc-9.30, 124cc-7.27


Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.210 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: 1.480

Pin Diameter: .980

Connecting Rod Length: 6.625 in

Crankshaft Stroke: 4.210 in

Piston Series: 3 - 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
62cc11.63 to 1
87cc9.3 to 1
124cc7.27 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.210 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: 1.480

Pin Diameter: .980

Connecting Rod Length: 6.625 in

Crankshaft Stroke: 4.210 in

Piston Series: 3 - 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
62cc11.63 to 1
87cc9.3 to 1
124cc7.27 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature