Blower 255/262 S-Rlr CL-Kit BBC 396-454

This is a Blower & Turbo Mechanical Roller Cam and Lifter Kit from COMP Cams, part number CL11-694-8. It is designed for Chevrolet Big Block engines with displacements ranging from 396 to 502 cubic inches, covering model years 1965-1996. This kit features a mechanical roller tappet cam with a .652"/.652" lift and durations of 300° intake / 308° exhaust (advertised) and 255° intake / 262° exhaust (at .050" lift). It has a lobe separation angle of 114° and an optimal operating RPM range of 3500-7000. It is best suited for Pro Street and bracket racing applications using a 671 or larger blower. The kit includes mechanical roller lifters and requires compatible valve springs. It is intended for street/performance use.