Honda TRX 450R Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Yamaha YFZ 450 Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Suzuki LT-R450 Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Honda 400EX Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Yamaha Raptor 700 Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Suzuki LTZ400 - Kawasaki KFX 400 Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Honda 300EX Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Yamaha Raptor 660 Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

Yamaha Warrior-Wolverine Camshafts All DRI Camshafts are made in the USA to ensure the best quality. Camshafts are available in different power curve options to fit your riding and racing needs.

HD 4-Stroke Valve Springs HD Valve Springs must be used in combination with all DRI camshafts.

Shortened Bronze Valve Guides AMPCO 45 Shortened Bronze Valve Guides are designed to be used with all DRI Camshafts. Guides are designed to work with higher lift camshafts than stock.