Header Bolt Kit For Chevrolet 3/8˝ dia. bolt, 3/8˝ wrench Stainless 12-Pt Head

Header Bolt Kit For Chevrolet 3/8˝ dia. bolt, 3/8˝ wrench Stainless 12-Pt HeadARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The ARP Stainless material is not affected by corrosion or extreme heat, making it ideal for the pplication. Whats more, the compact 12 point inut lets you easily slip a socket close to the pipe. Studs are manufactured with a unique nut starter nose that helps prevent cross threading.

Material 2: 8740 Chrome Moly

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

Simply followmanufacturer’s instructions

low-profile design

and -6 thru -20 O-ring sizes

Available for both single and dual metering block Holley and Carter AFB applications

valve covers

with ARP’s exclusive (and patented) Wave-Loc technology providing substantial benefits

Universal - Bellhousing to Manual Trans Stud Kits: These premium grade bolt and stud kits are engineered to properly engage the engineblock threads and resist loosening

CUSTOM AGE 625 PLUS®: This newly formulated super-alloy demonstrates superior fatigue cycle life

substantially stronger than Grade 8 hardware

Build up an inventory of these premium quality washers so you won’t get caught short when the need arises