Kawasaki KX500 Phathead Combustion Chambers cobra K21 - 21
Description
K21 - 21
Suzuki RM125 Phathead cylinder head kit 1991-2003
YZ295 - 72mm 91+ octane 23
If you have a Hot Rods stroker crank our insert will work
H33 18
Kawasaki KX500 Phathead Combustion Chambers cobra K21 - 21Chamber selection: K51 42cc Stock compression K52 40. 6cc (100+ octane)K53 38. 2cc (105+ octane)
Exchange/Return Notes
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