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This ARP performance fastener, stud, bolt, tool, or assembly is the Header Stud Kit for Chevrolet 3/8˝ wide header flange - stud kit Stainless 12-Pt Head. 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
- Stainless Steel Material: ARP stainless withstands extreme exhaust heat and corrosion without weakening over time.
- 180,000 PSI Strength: Exceeds Grade 8 hardware to handle high-performance demands reliably.
- Polished Finish: Clean, professional look resists staining and simplifies maintenance.
- 12-Point Nuts: Provide close socket clearance next to header pipes for fast, secure fastening.
- Nut-Starter Nose: Tapered stud tip prevents cross-threading and ensures smooth installation.
- Polished ARP stainless steel for heat and corrosion resistance with a smooth, durable surface.
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 | 434-1301 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | Header Stud Kit for Chevrolet 3/8˝ wide header flange - stud kit Stainless 12-Pt Head |
| Stainless Steel Material | ARP stainless withstands extreme exhaust heat and corrosion without weakening over time |
| Polished Finish | Clean, professional look resists staining and simplifies maintenance |
| 12-Point Nuts | Provide close socket clearance next to header pipes for fast, secure fastening |
| Nut-Starter Nose | Tapered stud tip prevents cross-threading and ensures smooth installation |
| 180,000 PSI Strength | Exceeds Grade 8 hardware to handle high-performance demands reliably |
| Q | Which Chevrolet engines does this header stud kit fit? A: Fits small block Chevy 262-400 CID and big block 366-502 CID V8s with 3/8-inch wide header flanges from 1955-up |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Compact protective box |
| Weight | 0.70 lbs |
| Features Stainless Steel Material | ARP stainless withstands extreme exhaust heat and corrosion without weakening over time |
What's Included
One new ARP hardware kits - other 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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- Shop all ARP products
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Frequently Asked Questions
How do I confirm the Header Stud Kit for Chevrolet 3/8˝ wide header flange - stud kit Stainless 12-Pt Head 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 434-1301, 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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