K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
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Load image into Gallery viewer, K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
Load image into Gallery viewer, K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore
Load image into Gallery viewer, K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore

SKU: K3-6003-4125

K3-6003-4125-455-Big Block Oldsmobile FXK3 Series -19cc Dish Top Oldsmobile-Forged-Piston-Set- 4.125 inch bore

$1,054.95
$1,054.95
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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 -19cc Dish 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) Boost and NOS Ready! (Moderate to High Levels) Includes matching DSS Racing XP Severe Duty ring set. Comp Ratio: 72cc-10.32, 75cc-10.05, 77cc-9.88


Engine Brand: Oldsmobile

Engine Family: Big Block Oldsmobile

Engine Size: 455

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.125 in - 104.69 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 2618

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-19cc Dish Top Oldsmobile
ChamberComp Ratio
72cc10.32 to 1
75cc10.05 to 1
77cc9.88 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: 4.125 in - 104.69 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 2618

Cylinder Head: Oldsmobile

TDC Assembly Height: 10.61

Piston Top Aprox. Comp. Ratio:

-19cc Dish Top Oldsmobile
ChamberComp Ratio
72cc10.32 to 1
75cc10.05 to 1
77cc9.88 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature