Phathead Racing Billet Gas Cap "Tank Top"Honda TRX/CRF/XR Yamaha YZ and Kawasaki KX : YZ80 YZ85(03-21) YZ125 (02+) YZ250 (02+) KX250 (05-07) KX250F KX450F KLX110 KLX140 YZ125 Our chambers are cut for

Our chambers are cut for the 85cc bore but work just fine with the 80cc bore as well

Yamaha YZ125 Phathead cylinder head kit 1994-2000

2023+ KTM 150SX HUSQVARNA GASGAS Phathead 150 combustion chamber

cylinder head nuts

Phathead Racing Billet Gas Cap "Tank Top"Honda TRX/CRF/XR Yamaha YZ and Kawasaki KX : YZ80 YZ85(03-21) YZ125 (02+) YZ250 (02+) KX250 (05-07) KX250F KX450F KLX110 KLX140 YZ125 Our chambers are cut forWith a one way valve built in to the breather vent designed to block the outflow of fuel when the tank is upside down(crash scenario), these gas caps offer an extra layer of protection over the traditional plastic caps which only restrict fuel flow when turned upside down. Features: 6061 T6 billet aluminum body Stainless hardware and one way valve breather Viton gasket Made in USA with USA sourced materials Flex on the competition with our signature