US$ 50.00
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CX67 (105+ octane)
YFM250 Moto-4 YFM350FW Big Bear 4x4 YFM350X Warrior YFZ350 Banshee 1990
High compression available upon request
two sets of o-rings
Honda CR500 Phathead compression release Combustion chambers Chamber selection:H52 - 62.5cc (100+ octane) CX67 (105+ octane)Chamber selection: H50 66. 4cc Stock compression H51 64. 4cc (95+ octane) H52 62. 5cc (100+ octane) H53 60. 8cc (110+ octane)
US$ 50.00
US$ 29.99
US$ 45.00
US$ 184.95
US$ 29.99