All 8mm kits come with belt, clutch basket, front pulley, nut and washer. 3″ kit comes with a 52-piece roller bearing kit. Pulley and clutch basket are hard anodized aluminum; front pulley is drilled and tapped for easy removal. Inner clutch hub and plates are not included; must be purchased separately. Made in the U.S.A.. Not for use with offset primaries..