1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
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Load image into Gallery viewer, 1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, 1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, 1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore

SKU: 1-6630-4185

1-6630-4185-390-AMC V8 FX1 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.185 inch bore

$669.95
$669.95
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Ships in 1 - 8 days

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.

393 AMC V8 FX Comp Height: 1.59-3cc Flat Top PIN: 1 Ring Groove: 1/16-1/16-3/16" Stroke: 3.574 ROD: 5.858 Full-Floating or Press Fit 50cc-1.96, 54cc-1.89, 58cc-1.83 4032 Alloy


Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.185 in , 106.215 mm

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

Compression Height: 1.590

Pin Diameter: 1.000

Connecting Rod Length: 5.858

Crankshaft Stroke: 3.574

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: AMC

TDC Assembly Height: 9.235

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top AMC
ChamberComp Ratio
501.96 to 1
541.89 to 1
581.83 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 , 106.215 mm

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

Compression Height: 1.590

Pin Diameter: 1.000

Connecting Rod Length: 5.858

Crankshaft Stroke: 3.574

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: AMC

TDC Assembly Height: 9.235

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top AMC
ChamberComp Ratio
501.96 to 1
541.89 to 1
581.83 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature