Caterpillar C15 ARP Exhaust Manifold Stud Kit Upgrade to the ARP Exhaust Manifold Stud Kit for Caterpillar C15 Acert for superior strength and heat resistance. Enhance performance with American-made durability. ARP Exhaust Manifold Stud Kit Fits All Caterpillar C15 Acert Full Tilt Manifolds Excludes... See More