Kawasaki KX500 Phathead Combustion Chambers Chamber selection:K51 - 42cc Stock compression Our cobra CX50 inserts are
Platform notes & fabric story
Description
Our cobra CX50 inserts are made in house to fit our Billet high flow Phathead shell or the OE cast cylinder head shell
YZ250F YZ450F (2003-2013) WR450F WR250F (2003-2015)
KX112 2014+
TTR250 YZ250F YZ426F 2001
Kawasaki KX500 Phathead Combustion Chambers Chamber selection:K51 - 42cc Stock compression Our cobra CX50 inserts areChamber selection: K51 42cc Stock compression K52 40. 6cc (100+ octane)K53 38. 2cc (105+ octane)