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This ARP performance fastener, stud, bolt, tool, or assembly is the 7/16in 8740 Black Oxide 12-pt Nut Kit. 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 Steel: Forged for 180,000 PSI tensile strength to resist fatigue in high-horsepower applications.
- 8740 chromoly steel construction with 180,000 PSI tensile strength and black oxide finish.
- Black Oxide Finish: Provides corrosion resistance for long-term durability in engine environments.
- 12-Point Design: Allows positive wrench grip to prevent rounding during high-torque assembly.
- Thick Wall Construction: Delivers added rigidity and strength for heavy-duty fastening needs.
- Compatible with all ARP 7/16" diameter rod bolts head studs and main studs.
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 | 301-8314 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | 7/16in 8740 Black Oxide 12-pt Nut Kit |
| 8740 Chrome Moly Steel | Forged for 180,000 PSI tensile strength to resist fatigue in high-horsepower applications |
| Black Oxide Finish | Provides corrosion resistance for long-term durability in engine environments |
| 12-Point Design | Allows positive wrench grip to prevent rounding during high-torque assembly |
| Thick Wall Construction | Delivers added rigidity and strength for heavy-duty fastening needs |
| 50-Piece Kit | Bulk quantity covers multiple rods or studs in complete engine rebuilds |
| Q | What is the exact thread size and quantity? A: 7/16"-20 thread with 50 nuts per kit ideal for 8-cylinder rod or head applications |
| Method | UPS Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Secure factory box |
| Weight | 1.1 lbs |
| Key Features 8740 Chrome Moly Steel | Forged for 180,000 PSI tensile strength to resist fatigue in high-horsepower applications |
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.
Related Parts
- Shop all ARP products
- ARP .875in OD x 7/16in ID Insert Washers (10 pack)
- ARP 01-06 6.6L GM Duramax Diesel Flywheel Bolt Kit
- ARP 01-10 6.6L GM Duramax Diesel Flexplate Bolt Kit
Frequently Asked Questions
How do I confirm the 7/16in 8740 Black Oxide 12-pt Nut Kit 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 301-8314, 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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