JE PISTONS Piston Kit - 4.310" - M8 394139
Part Number: 09106857JE PISTONS
- SKU:
- 09106857
- UPC:
- 193564557100
- MPN:
- 394139
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
Description
If you're running boost or pushing high RPMs, your factory pistons aren't going to cut it. JE Pistons' 4.310" kit combines cutting-edge forging technology with precision engineering to deliver the strength, durability, and lightweight performance your built engine demands. You get a piston that maintains ring seal under extreme conditions while reducing overall reciprocating mass—a critical advantage for reliability and response.
Technical Specifications:
- Bore diameter: 4.310"
- Aligned grain flow forging
- Ceramic crown coating
- Internal/external bracing
- 3D undercrown milling
- Lateral gas ports
- Accumulator groove design
- Skirt friction coating
- Optimized strength-to-weight ratio
- High RPM boost-rated
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