ARP Chromoly Header Stud Kits Throttle Body Spacers allowing tube-by-tube tuning across the

allowing tube-by-tube tuning across the stroke

air ratchets

Dual neodymium magnetic plugs in both drain and fill positions ensure maximum ferrous debris capture

color-matched wiring

The included wiring diagram and step-by-step instructions walk you through installation from start to finish

ARP Chromoly Header Stud Kits Throttle Body Spacers allowing tube-by-tube tuning across theThe ARP Chromoly Header Stud Kits provides a more reliable mounting solution for performance headers than standard bolts. The stud design simplifies header installation by allowing the gasket and header flange to be positioned on the studs before fastening, preventing gasket misalignment. Part 91522 is configured for its specific application with attention to fitment requirements. These header studs are machined from 8740 chromoly steel at 190,000 psi