Load image into Gallery viewer, 3-6652-3875-4.0-AMC/Jeep 6 Cyl. FX3 Series -15cc Dish Top No Notch Jeep-Forged-Piston-Set- 3.875 inch bore
Load image into Gallery viewer, 3-6652-3875-4.0-AMC/Jeep 6 Cyl. FX3 Series -15cc Dish Top No Notch Jeep-Forged-Piston-Set- 3.875 inch bore
Load image into Gallery viewer, 3-6652-3875-4.0-AMC/Jeep 6 Cyl. FX3 Series -15cc Dish Top No Notch Jeep-Forged-Piston-Set- 3.875 inch bore
Load image into Gallery viewer, 3-6652-3875-4.0-AMC/Jeep 6 Cyl. FX3 Series -15cc Dish Top No Notch Jeep-Forged-Piston-Set- 3.875 inch bore

SKU: 3-6652-3875

3-6652-3875-4.0-AMC/Jeep 6 Cyl. FX3 Series -15cc Dish Top No Notch Jeep-Forged-Piston-Set- 3.875 inch bore

Regular price $819.95
Sale price $819.95 Regular price
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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.

243 AMC/Jeep 6 Cyl. FX Comp Height: 1.592-15cc Dish Top No Notch PIN: 0.931 Ring Groove: 1.5/1.5/4MM Stroke: 3.44 ROD: 6.125 Full-Floating or Press Fit 52cc-1.62, 55cc-1.59, 58cc-1.57 2618 Alloy


Engine Brand: Jeep

Engine Family: AMC/Jeep 6 Cyl.

Engine Size: 4.0

With/Without Rings: Without Rings

Cylinder Bore Size: 3.875 in , 98.348 mm

Ring Width: 1.5/1.5/4MM

Compression Height: 1.592

Pin Diameter: 0.931

Connecting Rod Length: 6.125

Crankshaft Stroke: 3.440

Piston Series: 3 - FX 2618 Alloy Gas Ports, XP Pin Upgrade, Spiral Locks

Alloy: 2618 Alloy

Cylinder Head: Jeep

TDC Assembly Height: 9.437

Piston Top Aprox. Comp. Ratio:

-15cc Dish Top No Notch Jeep
ChamberComp Ratio
521.62 to 1
551.59 to 1
581.57 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Jeep

Engine Family: AMC/Jeep 6 Cyl.

Engine Size: 4.0

With/Without Rings: Without Rings

Cylinder Bore Size: 3.875 in , 98.348 mm

Ring Width: 1.5/1.5/4MM

Compression Height: 1.592

Pin Diameter: 0.931

Connecting Rod Length: 6.125

Crankshaft Stroke: 3.440

Piston Series: 3 - FX 2618 Alloy Gas Ports, XP Pin Upgrade, Spiral Locks

Alloy: 2618 Alloy

Cylinder Head: Jeep

TDC Assembly Height: 9.437

Piston Top Aprox. Comp. Ratio:

-15cc Dish Top No Notch Jeep
ChamberComp Ratio
521.62 to 1
551.59 to 1
581.57 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature