K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
Load image into Gallery viewer, K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
Load image into Gallery viewer, K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
Load image into Gallery viewer, K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore
Load image into Gallery viewer, K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore

SKU: K1-6020-4155C

K1-6020-4155C-400-Small Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.155 inch bore

$834.95
$834.95
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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.

400 Small Block Oldsmobile FX Comp Height: 1.625 -12cc Flat Top PIN: .980 Ring Groove: 1/16-1/16-3/16" Stroke: 3.975 ROD: 7 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing Ductile Moly ring set. Comp Ratio: 64cc-11.40, 68cc-10.93, 70cc-10.71


Engine Brand: Oldsmobile

Engine Family: Small Block Oldsmobile

Engine Size: 400

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.155 in - 105.45 mm

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

Compression Height: 1.625

Pin Diameter: .980

Connecting Rod Length: 7.000 in

Crankshaft Stroke: 3.975 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.6125

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
64cc11.4 to 1
68cc10.93 to 1
70cc10.71 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Oldsmobile

Engine Family: Small Block Oldsmobile

Engine Size: 400

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.155 in - 105.45 mm

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

Compression Height: 1.625

Pin Diameter: .980

Connecting Rod Length: 7.000 in

Crankshaft Stroke: 3.975 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.6125

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
64cc11.4 to 1
68cc10.93 to 1
70cc10.71 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature