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 Color:Gold 1999-2022 big bore chambers:

1999-2022 big bore chambers:

Yamaha YZ125 Phathead cylinder head kit 2005-2026

FX144 - (91+ octane)

KX125 all years

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 Color:Gold 1999-2022 big bore chambers:With 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