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This ARP performance fastener, stud, bolt, tool, or assembly is the Main Bolt Kit for Chevrolet Large journal - hex nut. 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
- Thread, length, material, strength series, and included quantity are exact-part specific
- Engine, vehicle, component, and installation requirements must match the current ARP application
- These bolts secure main caps with exceptional strength handling extreme loads in high-horsepower builds.
- Rolled threads and premium materials ensure long-term durability in racing applications across trucks cars and performance vehicles from 1965 to 2001.
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 | 134-5202 |
| Product Type | Main Stud & Bolt Kits |
| Condition | New |
| Configuration | Main Bolt Kit for Chevrolet Large journal - hex nut |
| 8740 Chrome Moly Steel | Forged construction provides high tensile strength rated up to 190,000 PSI for Pro Series reliability in demanding environments |
| Rolled Threads After Heat Treat | Increases fatigue strength by 2000% over bolts threaded before heat treating for superior resistance to failure |
| Reduced Wrenching Head | Allows easy access in tight engine bays while maintaining secure torque application |
| Large Underhead Radius | Distributes clamping load evenly reducing stress concentrations on main caps |
| Hardened Washers Included | Parallel-ground washers ensure flat seating and consistent preload on every fastener |
| Q | Does this kit fit small journal Chevy big blocks? A: No this 134-5202 kit is for large journal 2.625-inch mains only use ARP 134-5201 for small journal 396/402 engines |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Compact box 6 x 4 x 2 inches |
| Weight | 1.95 lbs |
| Key Features 8740 Chrome Moly Steel | Forged construction provides high tensile strength rated up to 190,000 PSI for Pro Series reliability in demanding environments |
What's Included
One new ARP main 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.
Related Parts
- Shop all ARP products
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Frequently Asked Questions
How do I confirm the Main Bolt Kit for Chevrolet Large journal - hex nut 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 134-5202, 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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