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This ARP performance fastener, stud, bolt, tool, or assembly is the M9 x 1.25 12pt Nut Kit (10 pack). 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
- Manufactured from premium heat-treated alloy steel and featuring a black oxide finish, these 12-point nuts provide superior clamping force, precise thread engagement, and exceptional strength for critical fastening
- Whether assembling a high-horsepower engine, upgrading suspension components, or securing critical drivetrain parts, ARP nuts deliver the reliability and performance that professional builders and enthusiasts demand.
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 | 300-8362 |
| Product Type | Engine Hardware |
| Condition | New |
| Configuration | M9 x 1.25 12pt Nut Kit (10 pack) |
| Q | What is the thread size of these nuts? |
| A | M9 x 1.25 – a common size for many performance applications. |
| Method | UPS Ground or FedEx Ground |
| Availability | In stock – ships same or next business day |
| Packaging | Secure ARP retail packaging |
| Detail | Value |
| Type | M9 x 1.25 12pt Nut Kit |
| Quantity | 10 Nuts |
| Thread Size | M9 x 1.25 |
| Material | Heat-Treated Alloy Steel |
| Finish | Black Oxide |
What's Included
One new ARP engine hardware 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 M9 x 1.25 12pt Nut Kit (10 pack) 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 300-8362, 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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