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Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 7/16 Stud

Price:$229.99
SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 7/16" Stud
Price:
$229.99
ST
In Stock
Item #:
91511770
Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 7/16 Stud
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  • Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 7/16 Stud
  • Speedway SBC Camshaft Break-In Roller Rocker Arms, 1.3:1, 7/16 Stud
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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 ratio rockers to allow a run-in time for the camshaft, then the 1.3 rockers are removed and the normal rockers are reinstalled and the engine is ready to race or dyno.

Polylocks are included.

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