Quote:
Originally Posted by tom s
I think the Comp Catalog lists what the letters are.Tom
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All I could see was what he listed in response 4. Googling it all I could find was like one reference someone was asking about a S suffix. I should of just ordered their 236/242 HR cam. Ill call KRE tomorrow.
From random website++
Kind of strange…….
The “B” after the 3303 designates the master used was for a bigger base circle application.
Typically, on a SBC the suffix is an “S”.
This lobe is from the Extreme 4x4 family.
The exhaust lobe is from a family designed for use in LS1 applications.
Specs:
265/ [email protected]
216/ [email protected]
112 lsa
.316/.314 lobe lift
The A8054-13 is the serial number, with the -13 denoting the year it was done……. 2013.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.45 @ 88.1 mph on slippery street tires.Bad 2.19 60ft.Owned since 86'
Last edited by scott70; 01-21-2026 at 11:34 PM.
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