2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore
2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore
2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore
2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore
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Load image into Gallery viewer, 2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore
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Load image into Gallery viewer, 2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore

SKU: 2-6104-4080

2-6104-4080-389-Pontiac Early and Late FX2 Series -14cc Dish Top Pontiac Early and Late-Forged-Piston-Set- 4.08 inch bore

$699.95
$699.95
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Made in the USA

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389 Pontiac Early and Late FX Comp Height: 1.71 -14cc Dish Top PIN: .980 Ring Groove: 1/16-1/16-3/16" Stroke: 3.75 ROD: 6.625 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to High Levels) Comp Ratio: 62cc-10.50, 87cc-8.33, 124cc-6.48


Engine Brand: Pontiac

Engine Family: Pontiac Early and Late

Engine Size: 389

With/Without Rings: Without Rings

Cylinder Bore Size: 4.080 in - 103.55 mm

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

Compression Height: 1.710

Pin Diameter: .980

Connecting Rod Length: 6.625 in

Crankshaft Stroke: 3.750 in

Piston Series: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Early and Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-14cc Dish Top Pontiac Early and Late
ChamberComp Ratio
62cc10.5 to 1
87cc8.33 to 1
124cc6.48 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Pontiac

Engine Family: Pontiac Early and Late

Engine Size: 389

With/Without Rings: Without Rings

Cylinder Bore Size: 4.080 in - 103.55 mm

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

Compression Height: 1.710

Pin Diameter: .980

Connecting Rod Length: 6.625 in

Crankshaft Stroke: 3.750 in

Piston Series: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: Pontiac Early and Late

TDC Assembly Height: 10.21

Piston Top Aprox. Comp. Ratio:

-14cc Dish Top Pontiac Early and Late
ChamberComp Ratio
62cc10.5 to 1
87cc8.33 to 1
124cc6.48 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature