Sealed Power Cast Pistons 411NP

Name: Sealed Power Cast Pistons
Brand: Sealed Power
SKU: SLP-411NP
Price: 182.99 USD
Rating: 5 (2 reviews)

5 out of 5 stars ( 2 )

Part Number: SLP-411NP

$182.99

Sealed Power Cast Pistons

Pistons, Cast, Flat, 4.120 in. Bore, Pontiac, Set of 8
See More Specifications | Check the Fit

Sealed Power Cast Pistons 411NP

SLP-411NP

5 out of 5 stars ( 2 )

Part Number: SLP-411NP

Estimated Ship Date: Mar 31, 2026

$182.99

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Estimated Ship Date: Mar 31, 2026 Would you rather pick it up?

Overview

Brand:

Sealed Power

Manufacturer's Part Number:

411NP

Part Type:

Pistons

Product Line:

Sealed Power Cast Pistons

Summit Racing Part Number:

SLP-411NP

UPC:

724956350681

Piston Rings Included:

Bore (in.):

4.120 in.

Bore (mm):

104.648mm

Stroke:

3.750 in.

Engine Stroke Type:

Stock

Rod Length:

6.625 in.

Piston Style:

Flat top, with four valve reliefs

Piston Material:

Cast aluminum

Compression Height (in.):

1.700 in.

Wrist Pin Style:

Press-fit

Wrist Pin Retainers Included:

Wrist Pin Included:

Yes

Pin Diameter (in.):

0.980 in.

Piston Ring Thickness:

5/64 in. x 5/64 in. x 3/16 in.

File Fit:

Gapless:

Remanufactured:

Quantity:

Sold as a set of 8.

Sealed Power Cast Pistons

For budget or stock-style rebuilds, it's hard to beat the value of Sealed Power cast pistons. They're 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, these pistons provide improved reliability, performance, and a long service life. Hundreds of models are available—find the size and style designed for your engine application.

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