ARP 125-4001 Head Stud Kit for BUICK 455 hex ymm_34 It is a must for

It is a must for users who want highly accurate oil or fuel pressure readouts in their high performance vehicle

which will be superseded to the 30-4110 gauge in August

and remapping the ECU is mandatory when it is fitted

0 produced approximately after February 2020 was identified

5 inlet and M12x1

ARP 125-4001 Head Stud Kit for BUICK 455 hex ymm_34 It is a must forPro Series Hex Cylinder Head Stud Kit by ARP. Designed utilizing the latest technology, this product by ARP features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards Specifications Socket Size(s) 3 4 hex, 3 16 Allen Kit Instructions