5-Pack Bolt Kit, Hex Head Black Oxide exhaust studs they are absolutely crucial to

they are absolutely crucial to stop the head from walking around and hurting your gasket seal

high-temperature racing conditions

- First Crank and Cranking Enrichment

Upgrade your RB engine with this kit and enjoy the perfect combination of style and performance

5-Pack Bolt Kit, Hex Head Black Oxide exhaust studs they are absolutely crucial toM10 x 1. 25 Thread x 25mm UHL With 10mm Socket Part Number : AR663 1002 Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. ARP's specially alloyed stainless steel bolts and heat treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. What's more, you