134-1202 | ARP SBC/GENIII LS 3/8 Flange 12pt Header Bolt Kit
Available to ship (11+)
Header Bolt & Stud Kits
Chevrolet Gen III/LS Series small block, 3/8˝ wide flange
Socket Size(s) : 10mm 12pt
UHL (Qty: 12) : 1.181˝
Thread Size : M8
When you upgrade the performance of your LS engine, many times you will exceed the capabilities of the factory hardware. ARP has the solution for you. Made out of premium grade 8740 alloy, these header bolts have a strength rated far superior to OE and "aircraft" quality. These ARP bolts are an excellent choice for your engine.