2022 ARP Catalog

94 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. s l California Residents WARNING: Cancer www.P65Warnings.ca.gov. Application NOTE: Bolts come with washers. STUD OAL STUD KITS BOLT KITS Black Oxide Stainless Black Oxide Stainless Qty. Size BOLT UHL Hex 12-Point Hex 12-Point Hex 12-Point Hex 12-Point BUICK 3 8L V6 12 3/8 1 670 120-1412 l 120-1402 l 420-1412 l 420-1402 l 350-455 cid 14 3/8 1 670 120-1411 l 120-1401 l 420-1411 l 420-1401 l 350-455 cid 14 3/8 0 750 120-1101 s 120-1201 l 420-1101 l 420-1201 l CHEVROLET, SMALL BLOCK 3/8˝ dia bolt, 3/8˝ wrench 12 3/8 0 750 100-1101 s 100-1201 l 400-1101 l 400-1201 l 3/8˝ dia bolt, drilled, 3/8˝ wrench 12 3/8 0 750 100-1103 s 100-1203 l 400-1103 l 400-1203 l 3/8˝ dia bolt, 3/8˝ wrench 12 3/8 0 875 100-1116 s 100-1216 l 400-1116 l 400-1216 l 3/8˝ dia bolt, 3/8˝ wrench 12 3/8 1 000 100-1111 s 100-1211 l 400-1111 l 400-1211 l 3/8˝ dia stud 14 3/8 1 670 400-1400 l 3/8˝ dia stud 12 3/8 1 670 100-1412 l 100-1402 l 400-1412 l 400-1402 l CHEVROLET, SMALL BLOCK - LS SERIES 1/4˝ wide header flange 12 M8 0 984 134-1101 s 134-1201 s 434-1101 l 434-1201 l ARP 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 Stain- less material is not affected by corrosion or extreme heat, making it ideal for the application. What’s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading. Studs and bolts come either black oxide chrome moly or polished ARP Stainless. Both are nominal- ly rated at 180,000 psi tensile strength; substantially stronger than Grade 8 hardware. Spe- cially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening. Header Bolts & Studs Optional Safety Wire Drilled CYLINDER HEAD

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