Home » Head Studs/Main Studs » ARP 230-5401 Main Stud Kit for 01-05 6.6L Duramax - LB7-LLY
ARP Duramax Main Stud Kit - Fits Model years 2001-2005 (01-05 LB7-LLY)
This is a must for High HP applications, these specialty bolts will keep the main caps from walking at High Horse Power and High RPM's.