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After we installed the crank and secured it with the ARP main bolts (PN 134-5202. $39.29), we slid in the new COMP Extreme Energy hydraulic flat-tapped bumpstick (PN 12-246-3, $130.95). Specs for the cam are 230/236 at .050 inch and .490 lift with a LSA of 110. It can’t be overstated how important assembly lube is for this install if you don’t want to end up with a flat lobe on your cam.