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Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud

Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud
Chevy Small Block V8
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Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 3/8 Stud
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- One of the best kept secrets
- Initial run times can kill a camshaft in the first minutes
- Break-in rocker arms ease extreme valve spring pressures
- These rockers use a 1.3 ratio to allow a run-in time for the camshaft
- Engine is then race - street ready or ready for the dyno
Details
MFG. Part #:
91511768
Info
Probably one of the best kept secrets...the best engine builders use break-in roller rocker arms. With the extreme valve spring pressures racers use today, the initial run time can kill a camshaft in the first minute of running.
The big time engine builders use these 1.3:1 ratio rockers to allow a run-in time for the camshaft, then the 1.3:1 rockers are removed and the normal rockers are reinstalled and the engine is ready to race or dyno.
Polylocks are included.
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
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Reviews
Q & A
Videos & Articles
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What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
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Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!