ARP 154-5201 ARP High Performance Series Main Bolts COMP Cams High Energy Cam and Lifter Kits slide the new couplers on

slide the new couplers on

stud girdles are essential hardware that prevents valvetrain instability at high RPM

Each rod is precision-bored to accept standard floating wrist pins and includes a bushed small end for reduced friction

The progressive engagement prevents jarring metal-on-metal contact during full compression

ARP 154-5201 ARP High Performance Series Main Bolts COMP Cams High Energy Cam and Lifter Kits slide the new couplers onThe ARP 154 5201 ARP High Performance Series Main Bolts reinforces the engine's lower end by providing consistent, repeatable main bearing cap clamping. These main bolts prevent cap walk and main bearing bore distortion at elevated RPM where factory fasteners may allow crankshaft deflection and bearing clearance changes. Part 40098 is configured for its specific application with attention to fitment requirements. ARP main bolts are machined from 8740