Description:

Safe: Increase horsepower in a secure way with an inexpensive cylinder head assembly.. Compatible: For use with most 150cc vehicles including all Hammerhead 150cc go karts, with an overall height of 60mm, a bore diameter of 57mm, an intake port diameter of 24mm, and an exhaust port diameter of 24mm.. Replacement Part Numbers: Hammerhead part M150-100-1320-C, Carter Brothers part 513-1000, American SportWorks part 14254, Polaris part 3050045 (complete).. Product: Includes 1 cylinder head, 1 intake valve, 1 exhuast valve, 2 valve stem seals, 2 valve spring seats, 2 valve spring inner & outers, 2 valve spring retainers, and 2 valve retainer clip sets.. Reliable: Upgrade your vehicle with our premium parts and drift into superior, long-lasting service..