FRAM Motorcycle Lube Cartridge, Cellulose, Synthetic Fiber Filter Media, 0.765 in ID x 2.703 in OD x 1.797 in H Dimensions, For: Honda CX500 1978-1979 497CC, Honda CX500 1978-1979 500CC, Honda CX500C Custom 1979-1982, Honda CX500C Custom 1979-1982 500CC, Honda CX500D Deluxe 1979-1981 497CC Engines, Includes: 0.609 in ID x 0.813 in OD x 0.109 in Thick O-Ring, 3.188 in ID x 3.453 in OD x 0.172 in Thick O-Ring