SKU:10-0674
The Sifton Hydraulic Tappet Assembly Set, Part 10-0674, is designed for select Harley-Davidson FL models from 1953 through 1962. This standard replacement set supports reliable valvetrain operation and is suited for restoration, maintenance, and performance-focused engine service applications.
The larger-diameter rollers used in these maxi-tappet assemblies increase the dynamic load rating by approximately 20% compared with standard designs. With a roller outer diameter of approximately .732 inch, the assembly is engineered to improve load distribution and support dependable operation under demanding engine conditions.
Designed for straightforward integration with compatible Harley-Davidson applications, this Sifton tappet assembly set is supplied as a complete set. It fits 1953–1962 Harley-Davidson FL models, including FL applications from each model year in that range. Verify engine specifications and application compatibility before installation.
Sifton is known for producing replacement and performance components for motorcycle engines and valvetrain systems. The 10-0674 hydraulic tappet assembly set provides a practical solution for replacing worn components while supporting consistent hydraulic tappet performance. Accessory items include the Sifton Pushrod Adjustment Gauge and Pushrod Cover Clip Tool for related service work.
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