Valve Spring Kit - 0.550" Lift - Panhead | Shovelhead Engines '48-'84 2XL Standard and Metric hardware included

Standard and Metric hardware included

High performance formula leaves dry

V-Twin Synthetic Primary Oil - 1 US quart

Modules manufactured after 10-1-05 (serial number begins with "G" or higher letter) are compatible with 04-05 models in addition to the other specified applications

Power Tune® XTO Insert Kit

Valve Spring Kit - 0.550" Lift - Panhead | Shovelhead Engines '48-'84 2XL Standard and Metric hardware includedValve Spring Kit 0. 550" Lift Panhead Shovelhead Engines '48 '84 Must allow additional rocker clearance for '48 '65 Panheads Use with stock style bottom collar, valve guides, valve 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 '81 '85 heads Made in