ARP 135-5402 ARP Main Stud Kits Carburetor Rebuild Kits 5-inch coilovers integrate an external

5-inch coilovers integrate an external bypass tube and threaded spring perch into a single unit — giving you both ride-height adjustability and 18-way damping control for high-speed off-road or daily performance

Complete installation hardware included

Position-sensitive damping that adapts to every inch of wheel travel

Emissions-compliant versions include O2 sensor bungs in the correct locations for plug-and-play compatibility with factory engine management

ARP 135-5402 ARP Main Stud Kits Carburetor Rebuild Kits 5-inch coilovers integrate an externalThe ARP 135 5402 ARP Main Stud Kits reinforces the engine's lower end by providing consistent, repeatable main bearing cap clamping. These main studs prevent cap walk and main bearing bore distortion at elevated RPM where factory fasteners may allow crankshaft deflection and bearing clearance changes. Part 15266 is configured for its specific application with attention to fitment requirements. ARP main studs are machined from 8740 chromoly steel, heat