S&S High-Lift Valve Spring Kit for Shovelhead & Panhead Big Twins
Designed primarily for 66-84 Shovelhead engines
Can also be used with 48-65 Panhead engines by allowing additional rocker clearance
To be used with cams with up to .550" lift
Includes springs and aluminum top retainers
140-lb. seat pressure
Drag Specialties part number DS-199729
S&S part number 90-2053
212762
