2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore
2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore
2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore
2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore
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Load image into Gallery viewer, 2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore
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SKU: 2-6615-4185

2-6615-4185-390-AMC V8 FX2 Series -25cc Dish Top AMC-Forged-Piston-Set- 4.185 inch bore

$699.95
$699.95
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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.

390 AMC V8 FX Comp Height: 1.55 -25cc Dish Top PIN: 1.000 Ring Groove: 1/16-1/16-3/16" Stroke: 3.574 ROD: 5.858 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to High Levels) Comp Ratio: 50cc-10.58, 54cc-10.15, 58cc-9.75


Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

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

Compression Height: 1.550

Pin Diameter: 1.000

Connecting Rod Length: 5.858 in

Crankshaft Stroke: 3.574 in

Piston Series: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.195

Piston Top Aprox. Comp. Ratio:

-25cc Dish Top AMC
ChamberComp Ratio
50cc10.58 to 1
54cc10.15 to 1
58cc9.75 to 1

Download Piston Instructions

Piston Specs

Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

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

Compression Height: 1.550

Pin Diameter: 1.000

Connecting Rod Length: 5.858 in

Crankshaft Stroke: 3.574 in

Piston Series: 2 - FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.195

Piston Top Aprox. Comp. Ratio:

-25cc Dish Top AMC
ChamberComp Ratio
50cc10.58 to 1
54cc10.15 to 1
58cc9.75 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature