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are there any aftermarket rockers that will fit under factory valve covers ?

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Old 04-10-2015, 10:21 PM
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are there any aftermarket rockers that will fit under factory valve covers ?

have a 87 350 iroc and would like to keep the factory valve covers but would also like to add some aftermarket rockers .. are there any rockers that will fit under the factory center bolt valve covers ? roller tip or full roller really doesnt matter to me ..
Old 04-10-2015, 11:47 PM
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Car: 1989 Trans Am GTA
Engine: 350
Transmission: T56
Axle/Gears: 9 Bolt 3.70
Re: are there any aftermarket rockers that will fit under factory valve covers ?

COMP 1018 rockers fit under my stock centerbolt valve covers with no clearance issues whatsoever. Note that these rockers are not self aligning.

http://www.jegs.com/i/COMP+Cams/249/1018-16/10002/-1
Old 04-11-2015, 09:31 AM
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Re: are there any aftermarket rockers that will fit under factory valve covers ?

i think just about any 1.5 ratio self aligning rocker arm will fit under factory valve covers. I have Jegs 1.5 ratio self-aligning roller rockers under the factory valve covers on my '89 Formula 350.


if you want 1.6 ratio, then it might be only certain ones that will fit.
Old 04-11-2015, 10:50 PM
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Re: are there any aftermarket rockers that will fit under factory valve covers ?

Scorpion makes a set of self aligning ones that will fit
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