WOSSNER - K4083D478-2 - Piston Kit - 4.500” Stroke - 120 CID - M8 CVO
The top end is where power is made and where cut corners come back to haunt you. For 4.500” Stroke / 120 CID / M8 CVO engines, the WOSSNER K4083D478-2 piston kit offers a rebuild-ready solution manufactured to exceed OEM tolerances. Crown is anodized to improve resistance to extreme heat. Tested and proven to improve thermal diffusivity by up to 10%. Product Name: Piston Kit. Run it with quality rings and fresh gaskets, and the K4083D478-2 gives you a bottom end rebuild that lasts.
Features
- Crown is anodized to improve resistance to extreme heat
- Tested and proven to improve thermal diffusivity by up to 10%
- Hardcoat anodize treatment enhances the piston's abilities to manage heat and wear
- Ring groove wear is improved with anodize treatment ability to handle sliding wear as compared to non-treated surfaces
- Kit includes piston, piston rings, piston pin and retaining clips
- Valve Pocket Specifications:
- Intake Diameter: 1.780"
- Intake Depth: 0.200"
- Intake Angle: 27.000°
- Exhaust Diameter: 1.780"
- Exhaust Depth: 0.200"
- Exhaust Angle: 27.000°
Specifications
- Product Name: Piston Kit
- Piston Size: 4.122"
- Type: Big Bore
- Compression Ratio: 11.0:1
- Displacement: 120"
- Model: Premium Plus Series
- Stroke Length: 4.500"
- Units: Kit
- Bore Size: 4.125"
- Riding Style: Street
Frequently Asked Questions - WOSSNER - K4083D478-2 - Piston Kit - 4.500” Stroke - 120 CID - M8 CVO
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.
