US$ 119.26
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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
If you have a Hot Rods stroker crank our insert will work
Honda CR125 Phathead cylinder head kit 2000-2003
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$ 119.26
US$ 25.95
US$ 110.00
US$ 22.95