Cam Crf250R/X Stg 2 1139-2

Camshaft Stage 2

Computer Numerical Control (CNC) from 8620 billet steel and case harden

Designed and dyno proven in the USA

Engineered by using valvetrain software

Adds a 5%-10% power gain

Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end

Designed for mid to top end gains.

Engineered to be drop in cams that use stock valve springs (unless otherwise noted).

Top-end power with great over-rev. Uses stock auto-decompression mechanism. For single cam motor. Uses stock valve springs. Intake Valve Lash: 0.120 mm. Exhaust Valve Lash: 0.280 mm.