Jims Tools 1825 Powerglide Steady Roll Hydraulic Tappet +.002 Oversize for Harley Evolution

The Jims Tools 1825 Powerglide Steady Roll Tappet is an oversize (+.002 inch) hydraulic lifter designed for Harley-Davidson Evolution Big Twin engines. This premium tappet features advanced engineering to deliver superior performance and reliability over stock components.

Key Features:

• Special bronze alloy roller bushing replaces stock needle bearing for increased durability and quieter operation
• Oil-fed axle design with billet steel body construction
• Precision-fit hydraulics with hand-honed hydraulic unit cavity
• Increased roller width with perpendicularity held to .0002 inch tolerance
• Dynamic load capacities increased over 30% compared to standard tappets
• 100% increase in lubrication capacity for roller, cams, and cam bearings for improved cooling
• 10% increase in lubrication capacity for hydraulic unit and valve train
• Failsafe design retains bushing within assembly even if worn
• Measures .8475 inch outer diameter (standard is .8425 inch)
• Made in the USA

This oversize tappet is ideal for engines with slightly worn tappet bores, providing proper clearance specifications of .0007 to .0012 inch. Works best with Jims tappet blocks or can be used in OEM Harley-Davidson blocks. Sold individually.