ARP 235-4109 Head Stud Kit for Chevrolet Big Block Olds DRCE ymm_34 This Slip-On system (S-PO/TI/15) must

This Slip-On system (S-PO/TI/15) must be upgraded into a full Akrapovič Evolution Line exhaust system by combining it with the Evolution Header Set (E-PO/T/6) with side mufflers and valves

Test gains achieved by the Akrapovič technicians in controlled conditions show both power and torque gains over the Porsche sport exhaust system of +8

3/16 Allen Material: 8740 Chromoly

ARP Pro Series head bolt kits are application specific – designed for use with typically competition only components

ARP 235-4109 Head Stud Kit for Chevrolet Big Block Olds DRCE ymm_34 This Slip-On system (S-PO/TI/15) mustSpecifications Socket Size(s) 5 8 hex, 3 16 Allen