Phathead Racing Billet Gas Cap "Tank Top" Yamaha YZ/Clarke tank: YZ125 YZ250 TTR Banshee Blaster Raptor Wolverine Big Bear Kodiak 5MV-24610-00-00 Color:Brown 301SX - 23cc Mid compression

301SX -  23cc Mid compression 95+ octane reccomended

Honda CR125 Phathead cylinder head kit 1988-1991

SX52 (105+ octane)

SX51 (100+ octane)

YZ295 - 72mm 91+ octane 23

Phathead Racing Billet Gas Cap "Tank Top" Yamaha YZ/Clarke tank: YZ125 YZ250 TTR Banshee Blaster Raptor Wolverine Big Bear Kodiak 5MV-24610-00-00 Color:Brown 301SX - 23cc Mid compressionWith 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