Load image into Gallery viewer, 3-6605-4120  360 AMC V8 3-FX Series -21cc AMC Dish Top Forged Piston Set. 4.120 bore
Load image into Gallery viewer, 3-6605-4120  360 AMC V8 3-FX Series -21cc AMC Dish Top Forged Piston Set. 4.120 bore
Load image into Gallery viewer, 3-6605-4120  360 AMC V8 3-FX Series -21cc AMC Dish Top Forged Piston Set. 4.120 bore

SKU: 3-6605-4120

3-6605-4120 360 AMC V8 3-FX Series -21cc AMC Dish Top Forged Piston Set. 4.120 bore

Regular price $879.95
Sale price $879.95 Regular price
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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.

360 AMC V8 3-FX Series 2618 Alloy Comp Hgt: 1.590" -21cc AMC Dish Top Pin: 0.931 Ring Grooves: 1/16-1/16-3/16" Stroke: 3.440" Rod: 5.875" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 50cc-10.43, 54cc-9.98, 58cc-9.57 NOTE: Pistons include a .001 oversize pin ( .931 ) Connecting rod pin bore adjustment is required.

Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 360

With/Without Rings: Without Rings

Cylinder Bore Size: 4.120 in - 104.57 mm

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

Compression Height: 1.590"

Pin Diameter: .931

Connecting Rod Length: 5.875"

Crankshaft Stroke: 3.440"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.185

Piston Top Aprox. Comp. Ratio:

-21cc AMC Dish Top
ChamberComp. Ratio
50cc10.43 to 1
54cc9.98 to 1
58cc9.57 to 1

Download Piston Instructions

Piston Specs

Engine Brand: AMC

Engine Family: AMC V8

Engine Size: 360

With/Without Rings: Without Rings

Cylinder Bore Size: 4.120 in - 104.57 mm

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

Compression Height: 1.590"

Pin Diameter: .931

Connecting Rod Length: 5.875"

Crankshaft Stroke: 3.440"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: AMC

TDC Assembly Height: 9.185

Piston Top Aprox. Comp. Ratio:

-21cc AMC Dish Top
ChamberComp. Ratio
50cc10.43 to 1
54cc9.98 to 1
58cc9.57 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature