Valve Spring Kit. Fits Big Twin 1966-1977. .600in. Lift - Kibblewhite
Note: Maximum Recommended Lift =.600″
Chromium-Silicon (CrSi) valve springs are high-tensile, durable steel alloys designed for high-performance engines
Complete Kit includes: springs, retainers, keepers & lower collars
Tech Tips:-
Rocker box clearance must be checked
Spring travel must be checked
Valve timing must be accurate
Over revving will lead to pre-mature failure of Valve Springs & collars.
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