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SKU: 209-4301 | UPC: 672036008215
ARP Cylinder Head Stud Kit for 1990-1997 Opel/Vauxhall 2.0L 16V
ARP Pro Series cylinder head stud kit 209-4301 delivers precise clamping for Opel and Vauxhall 2.0L 16V engines found in Calibra, Vectra, Cavalier and Astra models. These studs use 8740 chrome moly alloy heat-treated to 190,000 PSI for dependable head gasket sealing under high boost or RPM. Professional engine builders choose ARP for consistent performance in racing and street applications.
Key Features
- 8740 Chrome Moly Material: Heat-treated to 190,000 PSI tensile strength, exceeding aircraft alloy ratings for extreme durability in high-compression builds.
- Post-Heat-Treat Thread Rolling: Provides 2000% greater fatigue strength compared to pre-heat-treat threading, resisting cracks under repeated stress.
- Centerless Grinding: Ensures perfect concentricity so cylinder heads and gaskets align effortlessly without binding or misalignment.
- Undercut Stud Design: Equalizes stretch across all studs for uniform clamping force that accounts for head gasket compression and prevents leaks.
- Black Oxide Finish: Resists corrosion while maintaining precise thread engagement for repeatable torque values.
Product Notes
- Studs marked with ARP for authenticity and quality verification.
- Designed for X20XEV and C20XE 2.0L 16V DOHC engines.
- Ships in protective packaging to prevent thread damage.
Installation Notes
- Professional installation recommended.
- Use ARP Ultra-Torque assembly lubricant on threads and under nut faces for accurate torque.
- Torque in sequence to ARP specifications: 60 ft-lbs initial, then 75 ft-lbs final using calibrated torque wrench.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1997 | Vauxhall | Calibra | 2.0 16V (C20XE) |
| 1991-1997 | Opel | Calibra | 2.0 16V (C20XE) |
| 1992-1995 | Opel | Vectra | 2.0 16V (X20XEV) |
| 1993-1995 | Vauxhall | Cavalier | 2.0 16V (X20XEV) |
| 1993-1998 | Opel | Astra | 2.0 16V (X20XEV) |
| 1993-1997 | Vauxhall | Vectra | 2.0 16V (X20XEV) |
Why Choose ARP?
- Relied on by professional engine builders in all racing categories.
- Manufactured in USA with exacting tolerances for repeatable results.
- Proven design prevents head gasket failures in high-performance engines.
Frequently Asked Questions
-
Q: Will this kit fit my 1994 Vauxhall Calibra 2.0 16V?
A: Yes, it fits 1990-1997 Calibra 2.0L 16V models with C20XE engine exactly, replacing stock bolts for better clamping. -
Q: What is the material and strength rating?
A: Premium 8740 chrome moly alloy heat-treated to 190,000 PSI tensile strength with black oxide finish for corrosion resistance. -
Q: What is the warranty and installation process?
A: ARP offers a limited defect warranty. install with ARP lube, torque in 3 stages per instructions included with kit.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective plastic tray in 9 x 6 x 1 inch box
- Weight: 1.1 lbs
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