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KTM50SX 2009-2023 Husqvarna TC50 GasGas MC50 Phathead cylinder head kit
SX51-09 (100+ octane)
Yamaha YZ250 WR250 Phathead cylinder head kit 1988-1998
TRX450R all years
Honda CR250 1986-1991 Phathead cylinder head kit Honda KTM50SX 2009-2023 Husqvarna TC50 GasGasHonda CR250 Phathead cylinder head kit 1986 1991 Chamber selection: H30 21. 8cc Stock H31 20. 6cc 95+ octane H32 19. 7cc 100+ octane H33 18. 5cc 105+ octane H34 17. 4cc 110+ octane Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made of 6061 T6 billet aluminum. The material is
US$ 160.00
US$ 135.00
US$ 134.99
US$ 21.99
US$ 20.00
US$ 24.99