Features

• 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
• Includes: 4x Inner Springs, 4x Outer Springs and 4x Aluminum Top Collars
• Made in the USA

Notes

• To be used with cams with up to 0.550" lift.

Specs

Product Name	Spring Kit
Type	Valve
Application	Exhaust
Collar Material	Aluminum
Material	Titanium
Spring Seat Pressure	140 lb
Spring Lift	0,550" / 0.550"
Units	Kit
Riding Style	Street