BTR 400+ CUBIC INCH NITROUS CAMSHAFT

BTR 400ci+ NITROUS CAM Specs: 251/266 .63X"/.595" 112+4   This camshaft is the result of years of back to back testing on 400+ cubic inch engines, mostly using TFS cathedral port heads and Mast intake. The intake lobe made 15 rwhp more than the same exact duration Comp LSL intake lobe, and also made as much power as a Comp intake lobe with around .680" lift. It made more power in back to back testing compared to a cam from another leading cam company as well. So to say that this cam has been rung out, is an understatement. This cam generally runs in the 5.30's-5.50's in the 1/8 mile in a 3000+ lb chassis and has run as fast as 5.10'-5.20's using the same TFS 245 heads and Mast intake. Since this cam utilizes ultra stable lobes, it will turn 7500 rpm with our Platinum .660" lift springs (SK001/SP001).  Using our .685" lift springs (SP010-16) springs shimmed to 1.700" it can turn 8000 rpm.   Good lifters should be used like the Comp or Johnson short travel and stock rockers.  Roller rock