K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore
Load image into Gallery viewer, K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore

SKU: K1-6000-4185

K1-6000-4185-455-Big Block Oldsmobile FXK1 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.185 inch bore

$834.95
$834.95
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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.

455 Big Block Oldsmobile FX Comp Height: 1.75 -12cc Flat Top PIN: .980 Ring Groove: 1/16-1/16-3/16" Stroke: 4.25 ROD: 6.735 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: 72cc-11.31, 75cc-10.98, 77cc-10.78


Engine Brand: Oldsmobile

Engine Family: Big Block Oldsmobile

Engine Size: 455

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

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

Compression Height: 1.750

Pin Diameter: .980

Connecting Rod Length: 6.735 in

Crankshaft Stroke: 4.250 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
72cc11.31 to 1
75cc10.98 to 1
77cc10.78 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Oldsmobile

Engine Family: Big Block Oldsmobile

Engine Size: 455

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

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

Compression Height: 1.750

Pin Diameter: .980

Connecting Rod Length: 6.735 in

Crankshaft Stroke: 4.250 in

Piston Series: 1 - FX Series

Alloy: Forged 4032

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
72cc11.31 to 1
75cc10.98 to 1
77cc10.78 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature