COMP Cams Camshaft CS Nx288HR-13 - 12-419-8

Fits '58-'02 262-400 c.i.d. Chevy Small Blocks175+ nitrous system, 2500+ Stall with lower Gears and headersNitrous HPâ„¢ -Wider lobe separation and added exhaust duration from base XE Series help shift the power to higher RPM to allow use in nitrous Applications - Early exhaust opening helps scavenge the extra spent gasses from nitrous or forced induction - Better time slips for nitrous passes at the stripWARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies. 1: Cams for '55-'57 engines can be custom ordered. 2: The '87+ Chevy Small Block received provisions for Roller lifters. Most '87 - '93 GM cars came with Roller lifters, but most '87 - '95 trucks came with flat tappet lifters in Roller lifter style blocks. If your block has '87+ OEM-style Roller Cam provisions but does not have Roller components fitted, COMP Hydraulic Roller Lifter Install Kit for '91-'02 Blocks can be purchased. As well as a '87+ OE-Style COMP Hydraulic Roller Cam.