2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
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Load image into Gallery viewer, 2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
Load image into Gallery viewer, 2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore
Load image into Gallery viewer, 2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore

SKU: 2-6630-4165

2-6630-4165-390-AMC V8 FX2 Series -3cc Flat Top AMC-Forged-Piston-Set- 4.165 inch bore

$699.95
$699.95
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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.

390 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-1.95, 54cc-1.88, 58cc-1.82 2618 Alloy


Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in , 105.708 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: 2 - FX 2618 Alloy

Alloy: 2618 Alloy

Cylinder Head: AMC

TDC Assembly Height: 9.235

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top AMC
ChamberComp Ratio
501.95 to 1
541.88 to 1
581.82 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: 4.165 in , 105.708 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: 2 - FX 2618 Alloy

Alloy: 2618 Alloy

Cylinder Head: AMC

TDC Assembly Height: 9.235

Piston Top Aprox. Comp. Ratio:

-3cc Flat Top AMC
ChamberComp Ratio
501.95 to 1
541.88 to 1
581.82 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature