ARP Main Cap Stud Kit Chrome Moly

The ARP main cap stud kit in chrome moly is a crankshaft main bearing cap stud set. It replaces the factory main cap bolts, and many engine builders call it a main stud kit or main bolt upgrade. It is designed to keep the crankshaft and main caps firmly clamped in street performance, racing and heavy-duty engine builds.

Key Features:

• Chrome moly steel construction: Chrome moly alloy gives the studs a high strength-to-weight ratio and good fatigue resistance.
• Studs instead of bolts: Studs apply more even, consistent clamping load than standard bolts. They also help keep the main bore round and aligned.
• Rolled threads: ARP rolls its threads, which improves fatigue life and strength over cut threads.
• Quality control: ARP fasteners are made in the USA and are known for tight tolerances and consistent quality.
• Accurate torque: Hardware is intended for use with ARP assembly lubricant and the manufacturer's torque specifications. This gives repeatable preload.

ARP is a respected name in high-performance fasteners. This line is a dependable choice for engine rebuilds, performance builds and applications where stock main cap bolts are a weak point. Each kit is made for a specific application, so see the individual listings for details.