S&S CYCLE HIGH PERFORMANCE DOUBLE VALVE SPRING KIT BIG DOG MOTORCYCLE AIH HARLEY

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 NEW S&S CYCLES HIGH PERFORMANCE DOUBLE VALVE SPRING KIT FROM BIG DOG MOTORCYCLES. PART # 103-000042-00.

 FITMENT IS FOR ALL BIG DOG MODELS 2005-UP.

Product Description

.550" lift double valve spring kit. Includes 4 inner springs, 4 outer springs and 4 aluminum top collars, 4 bottom 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.