Heads and Parts

Increase cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-315-HIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-315-LIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-316-H-RMKIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-316-LIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-103L-HOIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-311LIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Cylinder Head Kit 04-316-L-RMKIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

BIKEMAN PERFORMANCE Head Kit 04-318-LIncrease cooling capacity for lower running temps which helps maintain peak power, Low altitude gains 4-5 mid range horsepower and 2-3 peak, High altitude riders gain 6-7hp in the mid range, and 4-5 peak

STARTING LINE PRODUCTS Cylinder Head 12-850Billet aluminum construction, Dramatically increased combustion efficiency, Radical combustion chamber design provides more horsepower with less chance of detonation, For low altitude operation with stock or...

STARTING LINE PRODUCTS Cylinder Head 12-407Billet aluminum construction, Dramatically increased combustion efficiency, Radical combustion chamber design provides more horsepower with less chance of detonation, For low altitude operation with stock or...

STARTING LINE PRODUCTS Cylinder Head 12-394Billet aluminum construction, Dramatically increased combustion efficiency, Radical combustion chamber design provides more horsepower with less chance of detonation, For low altitude operation with stock or...

STRAIGHTLINE PERFORMANCE Billet Head 113-121A 4-5 hp increase on all heads, Provide three times the cooling on all billet heads, Receive increased fuel and mph efficiency from the newly improved combustion chamber, Feature a black anodized finish for...

STRAIGHTLINE PERFORMANCE Billet Head 113-104A 4-5 hp increase on all heads, Provide three times the cooling on all billet heads, Receive increased fuel and mph efficiency from the newly improved combustion chamber, Feature a black anodized finish for...