ARP 235-4716 Head Stud Kit for Chevrolet Big Block MKIV w/Merlin heads. 8 long exhaust studs. undercut. 12pt ymm_82 Unwanted drone has been eradicated

Unwanted drone has been eradicated through in-depth engineering to produce a deep and sporty sound

and the ECE certificate is valid only for these cars

They are combined with steel wheel nuts machined from billet and copper-plated to optimise screwing onto the studs even at the high temperatures resulting from prolonged use of the brakes in racing

Metric Washer Kit

The Evolution Line (Titanium) is ECE type approved for cars with an Otto Particulate Filter (OPF)

ARP 235-4716 Head Stud Kit for Chevrolet Big Block MKIV w/Merlin heads. 8 long exhaust studs. undercut. 12pt ymm_82 Unwanted drone has been eradicatedSpecifications Socket Size(s) 1 2 12pt, 3 16 Allen