ARP 90-05 Acura NSX 3.0L/3.2L Main Stud Kit

SKU: 208-5801 | UPC: 672036048815

ARP 90-05 Acura NSX 3.0L/3.2L Main Stud Kit

This ARP main stud kit replaces factory main bolts on 1990-2005 Acura NSX models with 3.0L C30A or 3.2L C32B engines. It delivers consistent clamp load to secure crankshaft main caps under extreme stress from high-rpm operation or forced induction. Engine builders choose it for dependable bottom-end strength in track and street applications.

Key Features

• ARP2000 Alloy Construction: Forged from high-strength material with 220,000 psi tensile strength to handle cylinder pressures beyond stock limits
• Stud Design: Allows precise main cap alignment and even torque distribution for reduced distortion and bearing stability
• Complete Kit Contents: Includes ten main studs, hardened parallel washers and twelve-point nuts for one-time installation
• Hex Socket Heads: Enable accurate torquing without damaging threads during assembly or disassembly
• Reusable Components: With proper torque and ARP Ultra-Torque lubricant, studs support multiple engine builds

Product Notes

• Apply ARP Ultra-Torque assembly lubricant to threads and under nut faces for correct preload
• Verify engine block main bore condition before installation to ensure proper stud fit
• Special order item, confirm stock before ordering

Installation Notes

• Professional installation recommended.
• Torque studs in sequence to ARP specifications, typically 85-95 ft-lbs depending on fastener size
• Compatible with OEM main caps, no machining required for direct replacement

This Part Fits

Year	Make	Model	Submodel
1990-1995	Acura	NSX	All
1997-2005	Acura	NSX	All

Why Choose ARP?

• Decades of motorsport use in drag racing, road racing and endurance events
• CNC-rolled threads for maximum fatigue resistance and load capacity
• Engineered and made in the USA with rigorous quality testing

Frequently Asked Questions

• Q: Does this kit fit all 1990-2005 Acura NSX engines?
  A: Yes, designed for 3.0L C30A and 3.2L C32B engines in all NSX models from those years
• Q: What material are the studs made from?
  A: ARP2000 proprietary alloy with minimum 220,000 psi tensile strength and 135,000 psi yield strength
• Q: What is the warranty on this kit?
  A: ARP provides a lifetime warranty against fastener failure when installed and torqued per instructions

Shipping & Handling

• Method: Standard ground shipping
• Availability: In stock – ships same or next business day
• Packaging: Secure ARP box measuring 12 x 4 x 1 inches
• Weight: 1.5 lbs