Unlike our competition, this BBR Tuning kit comes complete with heavy duty motor mount studs! If you're looking for studs that'll last, look no further than our Complete Heavy Duty Engine Kit Stud set! This set's got your engine covered from top to bottom. Made of heavy duty grade A steel, these studs will replace your motor mount, cylinder, and case cover studs and keep your engine sealed for years to come. Tired of stripping those flat heads? These studs have hex ports for a better universal fit and grip. Get those old, tired, and cheap Chinese studs out of there and equip your bicycle engine with this stud set. Size: 8mm Package Includes: 4x Motor Head Studs w/ washers & lock washers 4x Motor Mount Studs (2x rear, 2x front) w/ nuts, washers, and lock washers 3x Drive Sprocket Case Screws 5x Gear Case Cover Screws 4x Magneto Case Cover Screw