S&S Cycle Tappet Roller Kit for 1984-1999 Harley-Davidson Big Twin and XL Sportster

S&S Cycle Tappet Roller Kit for 1984-1999 Harley-Davidson Big Twin and XL Sportster

Worn tappet rollers lead to inconsistent valve lift, elevated noise, and reduced engine reliability over time. This S&S Cycle tappet roller kit restores smooth valve train operation using precision-ground rollers and axles engineered for superior durability. It includes enough components to rebuild four tappets, making it the right choice for any engine overhaul or preventive maintenance session.

Key Features

• Rebuilds four tappets with premium roller and axle components for precise valve train operation
• Engineered for 1984-1999 Big Twin Evolution engines and 1986-1990 Sportster XL (Ironhead) engines
• Rollers made from 52100 bearing steel for exceptional hardness and wear resistance
• Axles precision-machined from 4340 chromoly steel
• Made in the USA by S&S Cycle

Technical Specifications

• Roller Material: 52100 bearing steel
• Axle Material: 4340 chromoly steel
• Quantity: Rollers and axles for 4 tappets
• Country of Origin: USA

Fitment Notes

• Fits 1984-1999 Harley-Davidson Big Twin (Evolution) engines
• Also fits 1986-1990 Sportster XL (Ironhead) engines
• Recommended for use during any engine overhaul, cam replacement, or cam chest service
• Review the Fitment tab for complete year and model breakdown