.550" Lift Double Valve Spring Kit for 1948-'84 Panhead and Shovelhead Engines
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.550" Lift Double Valve Spring Kit for 1948-'84 Panhead and Shovelhead Engines

Item #: 90-2053
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$179.95
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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.

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Panhead engines usually require clearancing between rocker cover and top collar.