Distributor Stud Kit, 12-Point Nut Black Oxide fits SB/BB Chev

One Of The Most Critical-yet Often Overlooked- Fasteners Used In Any Engine Locks The Timing In Place. Arp Offers These Premium Grade Studs, Which Are Equipped With Vibration-resistant J-form Threads. A Special Bullet Nose Helps Guide Nut Into Place Without Crossthreading. Washers Included.