S&S Cycle #90-2053 - Valve Spring Kit - 0.550" Lift - Panhead | Shovelhead Engines '48-'84

550" lift double valve spring kit for 1948-'84 Harley-Davidson® panhead and shovelhead engines. Includes 4 inner springs, 4 outer springs, and 4 aluminum top collars. Use with stock-style bottom collar, valve guides, valves with stock 3/8" stem, and stock keepers. Compatible with thin-stem valves if thicker keepers that maintain correct valve stem-top collar engagement are used. Late single bottom collars are included for use in S&S cylinder heads for shovels and stock late 1981–'85 heads.

Fitment