- High-performance racing camshafts
- Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs
- In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepower
- Select cams feature Hot Cams Improved Throttle Design (ITR) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
Yamaha -- YZ 426 F -- (2000, 2002, 2001); Yamaha -- YZ 400 F -- (1999, 1998); Yamaha -- WR 400 F -- (2000, 1999, 1998); Yamaha -- WR 426 F -- (2001, 2002)