Produces solid bottom-end performance and substantial gains above 2800 RPM compared to the stock cams Direct bolt-in replacement for M-Eight engines; can be used with stock valve springs, pushrods, lifters and exhaust Will respond well when used with slip-on mufflers or a full exhaust system and a high-flow air cleaner Use of performance valve springs is not required but may result in a quieter, smoother-running valve train Responds well when combined with increased engine bore and/or compression. CAM 465 17-19 M8