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ARP SB Ford PN# M-6582-Z351 hex valve cover bolt kit (454-7503)
* These fittings flow equally in both directions and can be installed either way
Steel Floater-plate and top steel plate are heat treated steel hence their black color and are very "resistant" to warping under heat
125 wall 6061 T-6 aluminum and uses The Driveshaft's own custom machined ends
ARP Main Stud Kit ARP2000 Mitsubishi Lancer Evo X 10 4B11T 207-5403 6 Series 4th Gen ARP SB Ford PN# M-6582-Z351ARP Main Stud Kit Mitsubishi Lancer Evo X 4B11T (207 5403) ARP Main Stud Kits 207 5403 ARP main stud kits help eliminate main cap walk fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat treated in house to 190,000 psi tensile strength rating. The precision J form threads are rolled after heat treat for much stronger threads than the competition. Kits come complete with hardened parallel
