K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore

SKU: K3-6171-4060C

K3-6171-4060C-2.5 - 151-Iron Duke FXK3 Series -7cc Dish Top No Notch GM Iron Duke-Forged-Piston-Set- 4.06 inch bore

$1,104.95
$1,104.95
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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.

2.5 - 151 Iron Duke FX Comp Height: 1.57 -7cc Dish Top No Notch PIN: .927 Ring Groove: 1.2/1.2/3MM Stroke: 3 ROD: 6.05 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: 65cc-8.89, 72cc-8.26, 78cc-7.79


Engine Brand: GM

Engine Family: Iron Duke

Engine Size: 2.5 - 151

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.060 in - 103.04 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.570

Pin Diameter: .927

Connecting Rod Length: 6.050 in

Crankshaft Stroke: 3.000 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: GM Iron Duke

TDC Assembly Height: 9.12

Piston Top Aprox. Comp. Ratio:

-7cc Dish Top No Notch GM Iron Duke
ChamberComp Ratio
65cc8.89 to 1
72cc8.26 to 1
78cc7.79 to 1

Download Piston Instructions

Piston Specs

Engine Brand: GM

Engine Family: Iron Duke

Engine Size: 2.5 - 151

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.060 in - 103.04 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.570

Pin Diameter: .927

Connecting Rod Length: 6.050 in

Crankshaft Stroke: 3.000 in

Piston Series: 3 - FX Series

Alloy: Forged 2618

Cylinder Head: GM Iron Duke

TDC Assembly Height: 9.12

Piston Top Aprox. Comp. Ratio:

-7cc Dish Top No Notch GM Iron Duke
ChamberComp Ratio
65cc8.89 to 1
72cc8.26 to 1
78cc7.79 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature