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 8cc 72mm 93 octane -

8cc 72mm 93 octane - Revised squish clearance

Kawasaki KX100 Phathead cylinder head kit 1991-2021

YZ250F YZ450F (2003-2013) WR450F WR250F (2003-2015)

KTM85 2004-2012 Phathead Racing Cylinder head kit

Honda CR250 Phathead cylinder head kit 2002-2004

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 8cc 72mm 93 octane -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