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This ARP performance fastener, stud, bolt, tool, or assembly is the 1/2 x 6.5in Long Broached Individual Stud. 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
- This stud clamps rods securely to withstand high cylinder pressures and rpm in street, drag and circle track builds.
- Apply ARP Ultra-Torque assembly lube to threads and nut faces then torque to 65-75 ft-lbs based on rod design Requires ARP-compatible 12-point or hex rod nuts.
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 | AR6.500-1LB |
| Product Type | Hardware - Singles |
| Condition | New |
| Configuration | 1/2 x 6.5in Long Broached Individual Stud |
| ARP2000 Alloy Construction | Forged from proprietary steel with 200,000 psi operating strength and 220,000 psi tensile rating for repeated heavy loads |
| Rolled Threads | Increases fatigue life by 10 times over cut threads while maintaining precise thread engagement |
| Broached Hex Head | Allows accurate wrenching without damaging stud or rounding corners during installation and removal |
| 1/2"-20 UNF Thread | Matches OEM and aftermarket rod big ends on domestic V8s for plug-and-play fitment |
| 6.5in Overall Length | Correct dimension for standard clearance on press-fit and bushed connecting rods in stroker and stock configurations |
| Q | Will this stud fit my Chevy 350 stroker build? A: Yes it directly replaces stock or ARP kit studs in 350-383 SBC builds with standard H-beam or I-beam rods using 1/2in big ends |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Individual protective plastic sleeve in 7x3x1 inch box |
| Weight | 0.25 lbs |
| Features ARP2000 Alloy Construction | Forged from proprietary steel with 200,000 psi operating strength and 220,000 psi tensile rating for repeated heavy loads |
What's Included
One new ARP hardware - single 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.
Related Parts
- Shop all ARP products
- ARP 1/2in -20 12pt Nut (Single Nut)
- ARP 1/2in x 5.250in Long Broached Allen Head Stud (Single Stud)
- ARP 1/2in x 5.5.310 ARP2000 Stud
Frequently Asked Questions
How do I confirm the 1/2 x 6.5in Long Broached Individual Stud 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 AR6.500-1LB, 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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Engine hardware, fasteners, and mounting hardware kits for builds, fabrication, and suspension work are stocked at Black Ops Auto Works. Shop ARP engine bolts and stud kits, suspension mounting hardware from Fox and Rock Krawler, bumper mount kits, tie rod clamps, joint retainer tools, and single and kit-packaged hardware for domestic, import, and off-road platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 945 Hardware SKUs across engine hardware, suspension mounting hardware, and single-piece or kit-packaged fasteners. What This Collection Covers Hardware groups together the fasteners, mounting kits, clamps, and small components that hold engines, suspension systems, and accessories together. This includes ARP engine hardware such as intake manifold bolts and cam bolt kits, suspension mounting hardware from Fox and Rock Krawler for shock and steering stabilizer installs...
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Hardware - Singles
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