Jims Tools 24561 Big Axle Powerglide Hydraulic Tappets for Harley-Davidson Engine Valve Lifter

The Jims Tools 24561 'Big Axle' Powerglide hydraulic tappets represent a significant improvement over stock Harley-Davidson tappet designs, delivering enhanced strength and reliability for high-performance applications. These tappets feature an innovative design that eliminates the inner bearing race, simplifying construction while dramatically improving durability.

Key Features and Benefits:

• Eliminates inner bearing race for improved reliability and simplified design
• 27% increase in roller wall thickness for enhanced durability
• 36% larger tappet axle diameter compared to stock design
• Twice the strength and stability of OEM tappets
• Ideal for performance and racing applications
• Designed specifically for Harley-Davidson Twin Cam engines

By removing the inner bearing race and increasing critical component dimensions, these Big Axle Powerglide tappets provide the strength needed for high-lift camshafts, aggressive valve springs, and high-RPM operation. The reinforced design helps prevent tappet failure, a common issue in modified engines, making these an essential upgrade for serious riders and builders.