US$ 424.50
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Suzuki RM125 Phathead cylinder head kit 1991-2003
Our cobra CX50 inserts are made in house to fit our Billet high flow Phathead shell or the OE cast cylinder head shell
Kawasaki KX250 Phathead cylinder head kit 2005-2007
email or call if you have questions
Kawasaki KX500 Phathead Combustion Chambers cobra Suzuki RM125 Phathead cylinder headChamber selection: K51 42cc Stock compression K52 40. 6cc (100+ octane)K53 38. 2cc (105+ octane)
US$ 424.50
US$ 274.50
US$ 274.50
US$ 287.50
US$ 60.00
US$ 449.50