3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore
3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore
3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, 3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, 3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore
Load image into Gallery viewer, 3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore

SKU: 3-6620-4165

3-6620-4165 401 AMC V8 3-FX Series -3cc AMC Flat Top Forged Piston Set. 4.165 bore

$879.95
$879.95
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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.

401 AMC V8 3-FX Series 2618 Alloy Comp Hgt: 1.500" -3cc AMC Flat Top Pin: 1 Ring Grooves: 1/16-1/16-3/16" Stroke: 3.680" Rod: 5.858" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 50cc-14.26, 54cc-13.46, 58cc-12.75

Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 401

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 mm

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

Compression Height: 1.500"

Pin Diameter: 1.000

Connecting Rod Length: 5.858"

Crankshaft Stroke: 3.680"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.198

Piston Top Aprox. Comp. Ratio:

-3cc AMC Flat Top
ChamberComp. Ratio
50cc14.26 to 1
54cc13.46 to 1
58cc12.75 to 1

Download Piston Instructions

Piston Specs

Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 401

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 mm

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

Compression Height: 1.500"

Pin Diameter: 1.000

Connecting Rod Length: 5.858"

Crankshaft Stroke: 3.680"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.198

Piston Top Aprox. Comp. Ratio:

-3cc AMC Flat Top
ChamberComp. Ratio
50cc14.26 to 1
54cc13.46 to 1
58cc12.75 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature