Top End Rebuild Kit (B PRO) Honda CRF450R 2004 Type_Mineral Needle Bearings and shafts are

Needle Bearings and shafts are made from 52100 bearing steel

The Whites Clutch Fibre Kit comes as a complete set made from quality friction and base materials that maintain your OEM stack height to ensure minimal slippage

Diameter: 5-3/4"

Thickness: 19 mm

Top End Rebuild Kit (B PRO) Honda CRF450R 2004 Type_Mineral Needle Bearings and shafts areIncludes components necessary to complete a piston (top end) rebuild. Competitive pricing, made to meet and exceed OEM quality and designed as a direct OEM replacement. Features: Designed for OEM replacement. Made from high quality materials. Meet or exceed OEM specifications. Competitive pricing.