M42 ARP Main Bolt Set

Upgrade your M42's bottom end with ARP 8740 chromoly high-strength main bolts — a proven alternative to reusing your factory hardware, and a budget-friendly option compared to the ARP main stud kit. Higher strength than OEM crankshaft main bolts ARP 8740 chromoly steel construction Set of 10 bolts and 10 washers Includes ARP fastener lubricant Fits all M42 engines Replaces BMW part number 11111735525 For torque specifications, see the Spec Sheet. These kits are assembled in-house by BimmerHeads — and we use them on the majority of our own engine builds.