Wiseco Pistons 4069M07400 High-Performance Piston Kit for Yamaha XS1100

The Wiseco 4069M07400 high-performance piston kit is engineered specifically for Yamaha XS1100 motorcycles. This premium piston delivers the strength and reliability demanded by both street and performance applications.

Key Features:

• Forged from high-silicon aluminum alloy for maximum strength and dependability
• Innovative forging design optimizes piston skirt geometry for maximum horsepower and torque
• 74.00mm bore diameter provides precise fit and performance
• Complete kit includes piston, rings, wrist pin, and circlips for convenient installation
• Advanced metallurgy resists heat and detonation in high-stress conditions
• Precision-machined ring grooves ensure optimal ring seal and longevity

Wiseco pistons are manufactured in the USA using state-of-the-art forging processes that create a dense, uniform grain structure superior to cast pistons. The high-silicon aluminum alloy provides excellent thermal expansion characteristics and wear resistance. Note that oversize pistons require professional cylinder boring and honing for proper installation.