JE Pistons Piston Kit - 4.250" - M8
JE Pistons
Have a question about a part? Our team answers fitment and install questions Tuesday to Saturday.
Product Details
JE Pistons Piston Kit - 4.250" - M8. Manufacturer part number 394138.
Features
- Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
- Cermic crown coating protects the piston by reducing heat transfer
- Internal and external bracing maintains optimized strength-to-weight ratio for longevity
- 3D undercrown milling in non-critical areas reduces overall weight
- Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
- Skirt coating reduces operating friction and wear throughout the life of piston
- Offset pin reduces piston rock and minimize engine operating noise
- Skirt notches for optimal clearance at the bottom dead center
- Kit includes two pistons, premium ring pack, wrist pins and wire locks
Made in the USA
Specifications
- UPC
- 193564557094
- Vendor Part Number
- 394138
- Package Height
- 5.5
- Package Length
- 10.5
- Package Width
- 5.75
- Parts Unlimited #
- 0910-6856
- Bore - Oversize
- Standard
- Bore Oversize - Imperial
- Standard
- Bore Size Imperial
- 4.250"
- Brand
- JE Pistons
- Compression Ratio
- 10.25:1
- Model
- Ultra Series
- Piston Head Shape
- Dished
- Piston Material
- Forged 2618 Aluminum
- Riding Style
- Street
- Stroke Length (in)
- 4.500"
- Unit of Measure
- Kit
Write Your Own Review