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This ARP performance fastener, stud, bolt, tool, or assembly is the Cylinder Head Stud Kit for Opel/Vauxhall 2.0L 16V. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.
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.
- Black Oxide Finish: Resists corrosion while maintaining precise thread engagement for repeatable torque values.
- Designed for X20XEV and C20XE 2.0L 16V DOHC engines.
- Yes, it fits 1990-1997 Calibra 2.0L 16V models with C20XE engine exactly, replacing stock bolts for better clamping.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal or specification-matched application. Verify every dimension, interface, load or operating requirement, and listing note. | |||
Specifications
| Brand | ARP |
|---|---|
| Manufacturer Part Number | 209-4301 |
| Product Type | Head Stud & Bolt Kits |
| Condition | New |
| Configuration | Cylinder Head Stud Kit for Opel/Vauxhall 2.0L 16V |
| 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. |
| 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. |
| 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 |
| Features 8740 Chrome Moly Material | Heat-treated to 190,000 PSI tensile strength, exceeding aircraft alloy ratings for extreme durability in high-compression builds. |
What's Included
One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.
About ARP
Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.
Important Disclosures
- California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.
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Frequently Asked Questions
How do I confirm the Cylinder Head Stud Kit for Opel/Vauxhall 2.0L 16V fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.
Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP's current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.
What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.
Installation Instructions
- Confirm ARP part number 209-4301, the complete application, and every required supporting component before beginning work.
- Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
- Follow ARP's current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
- Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.
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