SHM 4v stage 1 regrind blower cams, 1mm larger than stock valves, springs and retainers. Its the valvetrain than comes with their stage 1 ported heads. I have tried to find the specs but could not. 19k on them I upgraded to comp cam stage 3 thats the reason for my sale. $450+ shipping
FS shm 4v stage 1 blower cams,springs,valves
- Thread starter cobra2547
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