ARP Main Stud Kit for Opel/Vauxhall 2.0L 16 valve

SKU: 209-5401 | UPC: 672036008239

ARP Main Stud Kit for 1988-1998 Opel/Vauxhall 2.0L 16 Valve

ARP 209-5401 main stud kit secures the crankshaft main caps in 1988-1998 Opel/Vauxhall models with 2.0L 16-valve engines like Calibra, Vectra, Cavalier, Astra, and Kadett. This kit eliminates main cap walk and fretting while protecting block threads from damage during high-stress conditions. Built for reliability in performance builds, it includes all necessary hardware for direct replacement.

Key Features

• 8740 Chrome Moly Steel: Heat-treated in-house to 190000 PSI tensile strength for extreme durability under boost or high RPM
• Precision J-Form Threads: Rolled after heat treatment to deliver threads 2000% stronger than off-the-shelf fasteners
• Hardened Washers and Nuts: Parallel-ground washers and quality nuts ensure even clamping force and secure assembly
• Black Finish: Corrosion-resistant coating maintains appearance and performance in engine environments
• Windage Tray Compatibility: Select studs with serrated lock nuts position and secure windage trays where equipped

Product Notes

• Inspect block threads for damage before installation to avoid issues
• Lubricate studs with ARP Ultra-Torque assembly lube for accurate torque values
• Packaged in protective box measuring 7 x 5 x 1.5 inches

Installation Notes

• Professional installation recommended.
• Torque studs in sequence to ARP specifications using calibrated torque wrench
• Compatible with stock main caps. no machining required for most applications

This Part Fits

Year	Make	Model	Submodel
1988-1995	Opel	Vectra A	2.0 16V
1989-1997	Opel	Calibra	2.0 16V
1991-1998	Opel	Astra F	2.0 16V
1990-1991	Opel	Kadett E	GSi 16V
1988-1995	Vauxhall	Cavalier	2.0i 16V
1990-1997	Vauxhall	Calibra	2.0 16V
1991-1998	Vauxhall	Astra Mk3	2.0 16V

Why Choose ARP?

• ARP fasteners anchor professional racing engines worldwide
• USA-made with in-house heat treatment for consistent quality
• Precision manufacturing ensures perfect fit and clamping load

Frequently Asked Questions

• Q: Does this kit fit my 1992 Opel Calibra 2.0 16V engine?
  A: Yes, ARP 209-5401 directly replaces OEM main studs in all C20NE/C20XE 2.0L 16V engines from 1988-1998 Opel/Vauxhall models listed
• Q: What material and strength rating does it have?
  A: Constructed from 8740 chrome moly steel heat-treated to 190000 PSI with rolled J-form threads for superior fatigue resistance
• Q: What is the warranty and install process?
  A: ARP provides a limited warranty for manufacturing defects. install with proper lubrication and torque in three stages per ARP instructions

Shipping & Handling

• Method: UPS Ground / USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: ARP retail box 7 x 5 x 1.5 inches
• Weight: 1.9 lbs