Camshaft # CPC-BC-4-643
Joined: Dec 2004
Posts: 16,892
Likes: 1,013
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Camshaft # CPC-BC-4-643
It might be a sealed power cam
https://shop.advanceautoparts.com/p/...FcvcwAodw6gHjA
https://shop.advanceautoparts.com/p/...FcvcwAodw6gHjA
Joined: Dec 2004
Posts: 16,892
Likes: 1,013
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Camshaft # CPC-BC-4-643
It could be a gm cam as well
https://www.thirdgen.org/forums/tpi/...rt-number.html
this shows the 643 as a partial part number
https://www.thirdgen.org/forums/tpi/...rt-number.html
this shows the 643 as a partial part number
Re: Camshaft # CPC-BC-4-643
It's a 87-89 Corvette/IROC Camero 350 TPI cam. I actually just bought a used one for my TBI headed 350 that I am building for my 86 c1500. Going to run it with 1.7 roller rockers for some more lift and effective duration.
https://www.chevytech.com/2c40o8.html
https://www.chevytech.com/2c40o8.html
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