Sealed Power Cast Pistons 411NP30 Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8
Sealed Power Cast Pistons 411NP30 Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8
Description
Piston - Cast - 4.150 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 15.00 cc - Pontiac V8 - Set of 8
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 14:27:31
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: pistons)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Sealed Power |
| StreetFX SKU | slp411NP30 |
| SFX Item ID | 5030465 |
| Accounting SKU | slp-411NP30 |
| Manufacturer SKU | 411NP30 |
| Manufacturer UPC | 724956350728 |
| Alternative References | SEA411NP30, SLP-411NP30 |
Pistons, Cast, Flat, 4.150 in. Bore, Pontiac, Set of 8
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.
| Product Attributes | |
|---|---|
| Brand | Sealed Power |
| Manufacturer's Part Number | 411NP30 |
| Part Type | Pistons |
| Product Line | Sealed Power Cast Pistons |
| UPC | 724956350728 |
| Piston Rings Included | No |
| Bore (in.) | 4.150 in. |
| Bore (mm) | 105.410mm |
| 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 | No |
| 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 | No |
| Gapless | No |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
Compatibility
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