NPR of America
NPR American V8 Performance Piston Ring Set - 4.125" Bore
NPR American V8 Performance Piston Ring Set - 4.125" Bore
SKU:NPR20-GNHS4125K8
Inventory: 3 in stock
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NPR of America piston ring sets deliver OEM-quality sealing, durability, and performance for import and domestic engine applications. Manufactured with precision engineering and advanced materials, NPR rings help maintain compression, reduce oil consumption, and extend engine life. Trusted by engine builders and rebuilders worldwide, NPR piston rings are ideal for stock rebuilds, street-performance engines, and daily driven vehicles that require long-lasting reliability and consistent performance.
- 1.2 x 1.2 x 3.0 mm thick
- OEM-quality fit and sealing
- Reduces oil consumption and blow-by
- Durable moly and chrome ring options
- Trusted by professional engine builders
Piston Rings - American V8 Engine Ring Series - 4.125 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Steel - Nitride - 8-Cylinder - Kit
| Brand |
NPR of America
|
| Part Number |
20-GNHS4125K8
|
| Product Line |
American V8 Engine Ring Series
|
| File Fit |
No
|
| Bore (standard) |
4.125 in
|
| Bore (Metric) |
104.78 mm
|
| Gapless Top Ring |
No
|
| Gapless Second Ring |
No
|
| Tension |
Standard
|
| Top Ring Included |
Yes
|
| Top Ring Thickness |
1.2 mm
|
| Top Ring Material |
Steel
|
| Top Ring Coating |
Nitride
|
| Second Ring Included |
Yes
|
| Second Ring Thickness |
1.2 mm
|
| Second Ring Material |
Iron
|
| Second Ring Coating |
Phosphate
|
| Oil Ring Thickness |
3.0 mm
|
| Cylinder Set |
8
|
| Oil Ring Material |
Stainless
|
| Oil Ring Coating |
Chrome
|
| Quantity |
Kit
|
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