Headstock Bearings:: Yamaha YZF-R6 YZF R6 (1999-2005) Suzuki GT500 ACI603 & ACI604 or if

ACI603 & ACI604 or if you have an EFI Technology unit it will replace the following CDI stamped units AC2i

5MT1 and 5MTB engine models for the years shown above

the models are GN to GG

Yamaha YFM 700 Grizzly (2007-2010)

Also available in 100mm shroud or in black

Headstock Bearings:: Yamaha YZF-R6 YZF R6 (1999-2005) Suzuki GT500 ACI603 & ACI604 or ifBrand new set of headstock steering bearings to fit: Yamaha YZF R6 (1999 2005). This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Yamaha YZF R6 for the years and models shown above. Top and bottom headstock bearings (without seals) are included. Please see our other listings for sealed versions. Top bearing: 30mm x 55mm x 17mm. Bottom bearing: 30mm x 55mm x 17mm.