Chev LS ARP Chromoly Header Bolt Kits # 134-1201 Rate_Engine and re-sealing helps to prevent

and re-sealing helps to prevent contaminants from entering your engine

Fastener Style

Our pulley and bracket kits are designed to provide additional traction and increased power to the serpentine system by up to 30%

Specifically designed for GM ZZ6 engines

Port exit dimensions: 1

Chev LS ARP Chromoly Header Bolt Kits # 134-1201 Rate_Engine and re-sealing helps to preventChev LS ARP Chromoly Header Bolt Kits # 134 1201 Header Bolts, 12 Point Head, 20mm UHL, 3 8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12 Fastener Style: Bolt Thread Size: 8mm x 1. 25 Head Style: 12 point Underhead Length (in): 0. 984 in. Underhead Length (mm): 20. 00mm Fastener Material: Steel Fastener Finish: Black oxide Quantity: Sold as a set of 12. ARP manufactures a variety of header bolt kits to facilitate the installation of your