LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Whats the difference between NSA or SA

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Old 11-03-2006, 04:35 PM
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Default Whats the difference between NSA or SA

With the cc306 and 918 spring do i have to have NSA RR's? I wanted to go with the Comp magnum roller tip because of its stiffness but they only come in SA. Anyone know?
Old 11-03-2006, 06:01 PM
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I would use nsa's with gmpp guidplates
Old 11-03-2006, 06:25 PM
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With the locks and retainers on the 918's its required to have a Non Self Aligning rocker, also it allows better valvetrain stability. Comp Cam makes a NSA Pro Mag. Get one with the 7/16 studs and you will be mint.




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