When you increase the power output of your Mustang, the engine is under more stress than what the factory intended it to be. ARP has created upgraded main cap side bolts to strengthen the engine main cap fastening. These are the bolt commonly referred to as the "jack bolts" and enter the side of the main cap from the outside of the block. Don't forget to check out all our ARP products in your Mustang!
Teksid Block Note
Early Model Teksid blocks use M8 hardware and the Later models used M9 hardware. Verify correct hardware size before purchase.
ARP - The World Leader in Fastener Technology
ARP – The Fasteners of Champions
ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. Shop ARP's Mustang water pump studs, water pump bolts, wheel studs, head stud kits, oil pan bolts, motor mount bolts, and many other hardware kits.