3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore
3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore
3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore
3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore
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Load image into Gallery viewer, 3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore
Load image into Gallery viewer, 3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore

SKU: 3-6000-4165

3-6000-4165-455-Big Block Oldsmobile FX3 Series -12cc Flat Top Oldsmobile-Forged-Piston-Set- 4.165 inch bore

$879.95
$879.95
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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 Extreme Levels) Comp Ratio: 72cc-11.21, 75cc-10.89, 77cc-10.69


Engine Brand: Oldsmobile

Engine Family: Big Block Oldsmobile

Engine Size: 455

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 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: 3 - FX Series

Alloy: Forged 2619

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
72cc11.21 to 1
75cc10.89 to 1
77cc10.69 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Oldsmobile

Engine Family: Big Block Oldsmobile

Engine Size: 455

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 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: 3 - FX Series

Alloy: Forged 2619

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-12cc Flat Top Oldsmobile
ChamberComp Ratio
72cc11.21 to 1
75cc10.89 to 1
77cc10.69 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature