Optimal tuning in terms of overall performance. Good low and mid range torque and still good torquey top end power. Good peak power without a "hole" in the lower rpm range
Optimum overall performance across the entire rev range.
FITS VHM CYLINDER HEAD ONLY ARTICLE NO.: AA33167 (for 300EXC & TE300) and AA33172 (for 300EXC TPI & TE300i)
