JE PISTONS - 398762 - Piston Kit - 4.125” Bore - 4.500” Stroke - 12.0:1 CR - 114” M8
Serious engine builds require serious components, and the JE PISTONS 398762 brings the precision, material quality, and performance that top builders trust. 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds. Skirt coating reduces operating friction and wear. Offset pins reduce piston rock and minimize operating noise. Skirt notches for optimal clearance at bottom dead center. Made in the U.S.A. Designed for Street applications. Sold as a kit.
Features
- 2618-T6 forged construction provides better aligned grain flow and higher tensile strength to provide durability, even in high-performance builds
- Skirt coating reduces operating friction and wear
- Offset pins reduce piston rock and minimize operating noise
- Skirt notches for optimal clearance at bottom dead center
- Accumulator groove taps combustion gases below the top ring to promote more consistent, positive ring seal and performance
- Inlcudes two pistons, premium ring packs, wrist pins and wire locks
- Made in the USA
Specs
- Riding Style: Street
- Units: Kit
- Piston Material: Forged 2618 Aluminum
- Stroke Length: 4.500”
- Bore Size: 4.125”
- Compression Ratio: 12.0:1
- Displacement: 114”
- Product Name: Piston Kit
Frequently Asked Questions - JE PISTONS - 398762 - Piston Kit - 4.125” Bore - 4.500” Stroke - 12.0:1 CR - 114” M8
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
