Moroso Header Bolt - 8 mm x 1.25 Thread - 25 mm Long - Hex Head - GM LS-Series (Set of 12) M591 Includes lower pressure spring to

Includes lower pressure spring to reduce pressure

They feature a 3/8" NPT inlet fitting and a 1/8" pipe fitting with plug for a fuel pressure gauge

Molded rubber inserts for all seat belt openings

Seamless 1/2" copper tubing expanded into aluminum cooling fins for maximum heat transfer

Low- and High-impedance designs available to match most commercial applications

Moroso Header Bolt - 8 mm x 1.25 Thread - 25 mm Long - Hex Head - GM LS-Series (Set of 12) M591 Includes lower pressure spring toProduct Description: Header Bolt 8 mm x 1. 25 Thread 25 mm Long Hex Head Steel Zinc Oxide GM LS Series Set of 12 Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis