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Sealed Power Cast Pistons 381NP

Piston, Cast, Dish, 4.050 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring, Ford, Big Block FE, Each

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Sealed Power 381NP - Sealed Power Cast Pistons


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Brand: Sealed Power
Manufacturer's Part Number: 381NP
Part Type: Pistons
Summit Racing Part Number: STL-381NP

Bore (in): 4.050 in.
Bore (mm): 102.870mm
Piston Style: Dish, with four valve reliefs
Piston Material: Cast aluminum
Compression Distance (in): 1.660 in.
Wrist Pin Style: Press-fit
Pin Diameter (in): 0.975 in.
Piston Ring Thickness: 5/64 in. x 3/32 in. x 3/16 in.
Quantity: Sold individually.
Notes: Recessed piston head is 0.097 inch deep x 2.620 inch diameter.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

For budget or stock-style rebuilds, it's hard to beat the value of Sealed Power cast pistons. Sealed Power cast pistons are made from high-quality aluminum alloys and feature a carefully controlled casting, heat-treating, and CNC-machining process. And because they're designed and manufactured to exceed OEM specs, they'll provide improved reliability, performance, and a long service life.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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