TRX 400EX Stage 2: single-cam motor. More top-end power than Stage 1 with midrange gain. Uses stock valve springs and rockers. *Does not use auto-decompression mechanism. Stock starter sufficient.
Hotcams
Hot Cams drop-in performance camshafts are one of the most economical, reliable, easy-to-install camshafts and add power gains to dirt bikes, ATVs, and UTVs. Hot Cams drop-in performance camshafts...
Hotcams
ITR Design-Single-cam motorSlight loss in low RPM torque, mid to top horsepower are increasedUses stock auto-decompression mechanismUses stock valve springs
Hotcams
 Stage 2: single-cam motor. Excellent midrange and top-end increase. Improved throttle response. Uses stoc
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