1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
Load image into Gallery viewer, 1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
Load image into Gallery viewer, 1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
Load image into Gallery viewer, 1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore
Load image into Gallery viewer, 1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 inch bore

SKU: 1-5000-4090

1-5000-4090-390-FE Ford FX1 Series -5cc Flat Top FE Ford-Forged-Piston-Set- 4.09 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.

398 FE Ford FX Comp Height: 1.775-5cc Flat Top PIN: 0.975 Ring Groove: 1/16-1/16-3/16" Stroke: 3.784 ROD: 6.489 Full-Floating or Press Fit 65cc-1.73, 72cc-1.66, 76cc-1.63 4032 Alloy


Engine Brand: Ford

Engine Family: FE Ford

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.090 in , 103.8042 mm

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

Compression Height: 1.775

Pin Diameter: 0.975

Connecting Rod Length: 6.489

Crankshaft Stroke: 3.784

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: -5cc Flat Top FE Ford

TDC Assembly Height: 10.156

Piston Top Aprox. Comp. Ratio:

-5cc Flat Top FE Ford
ChamberComp Ratio
651.73 to 1
721.66 to 1
761.63 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: FE Ford

Engine Size: 390

With/Without Rings: Without Rings

Cylinder Bore Size: 4.090 in , 103.8042 mm

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

Compression Height: 1.775

Pin Diameter: 0.975

Connecting Rod Length: 6.489

Crankshaft Stroke: 3.784

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: -5cc Flat Top FE Ford

TDC Assembly Height: 10.156

Piston Top Aprox. Comp. Ratio:

-5cc Flat Top FE Ford
ChamberComp Ratio
651.73 to 1
721.66 to 1
761.63 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature