ARP 190-4002 Head Stud Kit for PONTIAC 400-428. '67 & later ymm_32 For vehicles with the non-sport

For vehicles with the non-sport factory exhaust system

Two valves on either side of the muffler control the airflow and are contained in valve housings cast in the Akrapovič in-house foundry

the diffuser emphasizes the design of the titanium tailpipes and reinforces the motorsport-oriented character of the vehicle

890" OD black oxide washers

this optional carbon fibre diffuser shows off the Evolution Line (Titanium) exhaust system to its full extent and is the perfect accompaniment to the stunning carbon fibre tailpipes

ARP 190-4002 Head Stud Kit for PONTIAC 400-428. '67 & later ymm_32 For vehicles with the non-sportSpecifications Socket Size(s) 3 4 hex, 3 16 Allen