If camshafts and lifters do not meet your level of satisfaction, DO NOT INSTALL! Returns only accepted if camshafts and lifters has not been installed. Customer has the privilege of checking and inspecting camshafts and lifters at the time of installation. There is no guarantee on camshafts and lifters after engine is started. NOTE: Anytime you install a new camshaft, it should always have new lifters installed as cams and lifters create a wear pattern as they mate together.Ĭamshafts and lifters are guaranteed to be straight, on size, and to correct lift, index and duration. Compression Ratio: 10.3:1 or less check valve to piston clearance.Transmission: STOCK AUTOMATIC OR MANUAL.Computer Controlled Vehicles: Modified computer chip may be required to compensate for low vacuum.Lobe Separation: Intake: 110 Exhaust: 118.Advertised Duration: Intake: 290 Exhaust: 290.For sale is a BRAND NEW Engine Pro MC1713 Hydraulic Flat Tappet Camshaft!