The ARP Pro Series Main Bolt Kits are forged from premium 8740 chrome moly and all the bolts feature generous under-head radius and heat treating for utmost reliability. The threads are rolled after heat treating

Here's just what you need to secure a bellhousing in place. The studs are designed with a radiused head to position the bellhousing and accept nuts without the fear of cross-threading.

ARP's 207-5402 main studs are designed to meet the exacting standards and demands of professional engine builders and yet they are priced below what you might expect for a product with quality this high.

ARP's 207-5403 main stud kit is designed to meet the exacting standards and demands of professional engine builders and yet is priced below what you might expect for a product with quality this high.

Here's just what you need to secure a bellhousing in place. The studs are designed with a radiused head to position the bellhousing and accept nuts without the fear of cross-threading