Upgrade your ZRX Cams to a race profile designed for extreme acceleration with added mid and upper end performance. Requires Exhaust System, Extended Rockers, and Performance Valve Spring Kit. Price Per Set (2). Grind # 340b Hardweld 61-291 Valve Lift: .410/.410 Duration: 260º/260º Duration @ 0.050″: 242º/242º
This is a service we provide to customers. Please contact us to get the mailing address to ship your stock cams to.