Wiseco
Wiseco Chevy LS Series -3.2cc FT 4.000inch Bore Piston Shelf Stock Kit - WISECOK398XS
- SKU:
- WISECOK398XS
- MPN:
- K398XS
Description
Are these pistons suitable for my stock engine?
Confirm fitment with your vehicle's specific application to ensure these premium pistons integrate seamlessly with your stock Chevrolet LS engine.
How do I install these forged pistons?
These drop-in forged pistons are designed for straightforward installation, enhancing your Chevrolet LS engine's optimal performance with precision engineering.
Wiseco Piston Sets - Forged - 8cyl, engineered for Chevrolet LS engines with a 4.000 inch bore, achieve optimal engine performance. These professional, drop-in pistons come as a set of 8, forged for durability. Install these pistons with confidence for a superior power and responsiveness upgrade.
What Owners Say
Owners and enthusiasts consistently praise Wiseco piston sets for delivering high quality at a competitive price point, with many noting they offer better value than comparable brands while maintaining the durability needed for serious power builds. The thicker piston design and larger wrist pins earn specific recognition from tuners running high-horsepower applications, and the higher silicon content is credited with reducing side slap and improving thermal expansion characteristics. Forum members report these pistons can handle ridiculous power levels when paired with proper tuning, placing them confidently alongside premium alternatives. Whether building a budget-minded street engine or an extreme performance setup, Wiseco has earned a solid reputation among the LS and import communities for reliability and proven track record.
Key Features
- Chevrolet LS
- 4.000 in Bore
- Professional
- Set of 8
Why Choose the WIS Piston Sets - 8 Cyl
Delivers enhanced power and responsiveness for your Chevrolet LS engine.
Achieves optimal engine performance with precision-engineered 4.000 inch bore.
Provides a complete, balanced upgrade for your entire 8-cylinder engine.
Transforms your driving experience with professional-grade engine reliability.
Who Is This For?
Street Performance — 9/10
Premium performance piston set for Chevrolet LS engines.
Engine Performance — 10/10
Precision-engineered 4.000 inch bore achieves optimal performance.
Track / Autocross — 8/10
Premium performance pistons designed for demanding use.
Racing Competition — 8/10
Premium performance pistons for competitive racing.
Drag Racing — 8/10
Premium performance pistons for high-output racing.
Frequently Asked Questions
Will the Wiseco WIS Piston Sets - 8 Cyl fit my vehicle?
Confirm fitment with your vehicle by referencing the detailed fitment information for your specific application. These sets are engineered for Chevrolet LS engines with a 4.000 inch bore. Proper fitment ensures optimal performance and reliability for your engine.
How difficult is the installation of the Wiseco WIS Piston Sets - 8 Cyl?
Installation is a drop-in type, simplifying the upgrade process for your 8-cylinder engine. This design facilitates a straightforward replacement of your existing pistons. Achieve enhanced engine performance with this professional-grade component set.
What performance improvements can I expect from the Wiseco WIS Piston Sets - 8 Cyl?
Experience optimal engine performance, scoring a 10 out of 10 for Engine Performance in our usage matrix. These precision-engineered pistons deliver enhanced power and responsiveness. Transform your driving experience with this balanced upgrade for your Chevrolet LS.
What are the primary benefits of the Wiseco WIS Piston Sets - 8 Cyl?
These pistons deliver enhanced power and responsiveness for your Chevrolet LS engine. Achieving optimal engine performance is central, with a precision-engineered 4.000 inch bore. They provide a complete, balanced upgrade for your entire 8-cylinder engine.
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Related Products
Related Products
Wiseco Chevy LS Series -3.2cc FT 4.070inch Bore Piston Shelf Stock - WISECO6398LX7
Wiseco
Wiseco Chevy LS Series -8cc FT 4.125inch Bore Piston Shelf Stock Kit - K395X125
Wiseco
Wiseco Chevy LS Series -11cc R/Dome 1.300x4.070 Piston Shelf Stock Kit - K444X7
Wiseco
Wiseco Chevy LSX 5.3 -10.7CC Dome Piston Shelf Stock Kit - WISECOK0042X1
Wiseco