![Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 85.00mm - Size STD - CR 9.5 Piston Set](http://dynosourceperformance.com/cdn/shop/products/3f9b7b27b2dc144f79af1cecc8463b4e_57e3ba19-e735-48d4-85db-8d4ac9b5ea49.jpg?v=1612078018&width=1445)
![Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 85.00mm - Size STD - CR 9.5 Piston Set](http://dynosourceperformance.com/cdn/shop/products/2e383d49e09dfe171fe4dcf220295e73_daeb8a7c-a4e2-4a8c-ae7f-e4243067e21f.png?v=1612078018&width=1445)
![Wiseco Mitsu Evo 4-9 4G63 Asymmetric Skirt Bore 85.00mm - Size STD - CR 9.5 Piston Set](http://dynosourceperformance.com/cdn/shop/products/f8f2f8eafa31d9cf506094a7fb7102f8_f28ea44a-0938-4250-abe0-47988ff1e8d6.png?v=1612078018&width=1445)
Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strengthArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operationFully machined crown featuresPrecision ring grooves, anti-detonation groove, and additional ring seal improving featuresForced pin oilingDesigned and built to withstand heavy to severe duty performance applications
- Engine Components>Piston Sets - Forged - 4cyl
- EPA:N/A
- LTL:N
- MPN:K666M85AP
- Non-CARB:N
- Prop65:Y
- SpecialOrder:N