Add to Cart Compare Quick view ARP 230-4201 6.6L Duramax Head Studs, (2001 & Later) ARP MSRP: Now: $594.00 Was: Manufacturer's Part Number:230-4201 Fastener Style:Stud Undercut Stud:No Head Style:12-point Fastener Material:8740 chromoly Fastener Finish:Black oxide Washers Included:Yes Cut to... MSRP: Now: $594.00 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $594.00 Was: Subtotal: Add to Cart