- Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
- Improved tensile strength of forged material optimizes strength and service life
- Designed and built for each specific 2-stroke powersports engine
- Includes high-quality piston ring(s), wrist pin(s), and circlips
- Engineered, forged, and machined in the USA in Mentor, OH
The Wiseco Yamaha YZ 400 and IT 400 77-78 Forged 2-Stroke Piston Kit is designed to restore and enhance the performance of vintage Yamaha motocross bikes. Constructed from high-quality forged aluminum, these pistons feature a 85.50 mm bore that offers increased tensile strength and durability compared to traditional cast pistons. This ensures reliable operation and extended service life, whether you're on the track or trail. The pistons are specifically engineered for each engine model, providing an optimal fit and performance. Each kit includes piston rings, wrist pins, and circlips, all crafted to meet the rigorous demands of powersports applications. Made in the USA, in Mentor, Ohio, this kit guarantees quality and precision, making it an excellent choice for restoration or performance upgrades.
Features:
- Forged construction: Improves tensile strength and durability for high-performance use
- Optimized strength-to-weight ratio: Dedicated forgings and lightening operations enhance performance
- Engine-specific design: Tailored for 1977-78 Yamaha YZ 400 and IT 400 models
- Complete piston kit: Includes high-quality piston rings, wrist pins, and circlips for easy installation
- Made in the USA: Crafted with precision in Mentor, Ohio to ensure quality and reliability
