ARP CYLINDER HEAD STUD KIT - 01-16 GM 6.6L DURAMAX DIESEL - 230-4201 ARP CYLINDER HEAD STUD KIT fits 01-16 GM 6.6L Diesel Engines ARP 2000 MATERIAL 220,000 PSI TENSILE STRENGTH THREADS ROLLED AFTER HEAT TREATMENT CHROMOLY 12 POINT NUTS & PARALLEL GROUND WASHERS HEAVY DUTY STUDS FOR YOUR HEAVY DUTY DIESEL... MSRP: Was: Now: $814.20 Add to Cart The item has been added