COMP Cams Camshaft CS 280XFI HR-13

Provide a terrific increase in performance • Tuned for use in EFI applications where extra air flow signal through the carburetor is not required (feature wider lobe separation w/o loss of responsiveness) • Work well w/ aftermarket cylinder heads & feature high lift_x000D__x000D_Warning: 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._x000D__x000D_1: Cams for '55-'57 engines can be custom ordered. Please Call or Email for details._x000D__x000D_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 Hyd. Roller Lifter Install Kit for '87-'90 Blocks or '91-'02 Blocks can be purchased. As well as a '87+ OE-Style COMP Hyd. Roller Cam and '87+ OE-Style COMP Roller Lifters. Pre-'87 blocks require Retro-Fit Link Bar Roller Lifters.