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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
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