Throttle stud. Stud Kit (GM Short).
12 Point LS Main Stud Kit GM LS, LS1, LS2, LS6, LS7, LSX, GEN III
ARP 2345608 Stud Kit GM SB Chevy LS1 LS Cast Iron Engine Main Bearing *No Grease
ARP 234-5608 6-Bolt Main Cap Stud Kit GM Gen III/IV 5.3L 6.0L 6.2L LS Engines
ARP 230-4301 High Performance Cylinder Head Stud Kit GM Duramax, L5P
Quick Fuel 37-10QFT Stud Kit (GM Short) 2