K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
Load image into Gallery viewer, K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
Load image into Gallery viewer, K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
Load image into Gallery viewer, K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore
Load image into Gallery viewer, K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore

SKU: K3-6130-4120

K3-6130-4120-400 - 4.250 Stroke-Pontiac Late FXK3 Series -7cc Flat Top Pontiac Late-Forged-Piston-Set- 4.12 inch bore

$1,054.95
$1,054.95
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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 -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 Extreme Levels) Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing XP Severe Duty ring set. Comp Ratio: 62cc-12.94, 87cc-10.03, 124cc-7.64


Engine Brand: Pontiac

Engine Family: Pontiac Late

Engine Size: 400 - 4.250 Stroke

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.120 in - 104.57 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: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-7cc Flat Top Pontiac Late
ChamberComp Ratio
62cc12.94 to 1
87cc10.03 to 1
124cc7.64 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: 4.120 in - 104.57 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: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-7cc Flat Top Pontiac Late
ChamberComp Ratio
62cc12.94 to 1
87cc10.03 to 1
124cc7.64 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature