S&S Cycle Hydraulic Tappet Insert for 1953-1984 Harley-Davidson Big Twin

S&S Cycle Hydraulic Tappet Insert for 1953-1984 Harley-Davidson Big Twin

A single collapsed hydraulic lifter can cause rough running, erratic valve timing, and audible noise that is difficult to ignore. The S&S Cycle Hydraulic Tappet Insert gives the damaged tappet body a second life by replacing only the failed internal insert, restoring proper hydraulic function without requiring a complete tappet replacement.

Key Features

• Replaces the internal hydraulic insert in a failed tappet body – restores function without full tappet replacement
• Fits 1953-1984 Harley-Davidson Big Twin engines
• Sold individually – order the quantity needed for the number of collapsed lifters being serviced
• Made in the USA by S&S Cycle

Technical Specifications

• Application: Hydraulic tappet insert for 1953-1984 Harley-Davidson Big Twin
• Quantity: Sold individually
• Country of Origin: USA

Fitment Notes

• Fits 1953-1984 Harley-Davidson Big Twin hydraulic tappet bodies
• Verify the tappet body is not cracked or scored before installing a new insert
• Sold individually – order one per collapsed lifter being serviced
• Review the Fitment tab for complete year and model breakdown