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This ARP performance fastener, stud, bolt, tool, or assembly is the 9/16in -18 12pt Nut Kit (Pack of 10). 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
- High-Strength Alloy: Forged from ARP exclusive material to resist fatigue under extreme cylinder pressures.
- Precise Dimensions:.969 inch height and 11/16 inch width ensure proper stack height and clearance.
- Black oxide finish on high-tensile alloy steel for corrosion resistance and 220000 psi strength.
- 12-Point Design: Offers superior grip with standard sockets to prevent rounding during high-torque installs.
- USA-made with tighter tolerances than OEM hardware.
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 | 300-8335 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | 9/16in -18 12pt Nut Kit (Pack of 10) |
| 12-Point Design | Offers superior grip with standard sockets to prevent rounding during high-torque installs |
| 9/16"-18 Thread | Exact match for ARP Big Block Chevy main studs and performance rod bolts |
| High-Strength Alloy | Forged from ARP exclusive material to resist fatigue under extreme cylinder pressures |
| Precise Dimensions | .969 inch height and 11/16 inch width ensure proper stack height and clearance |
| Pack of 10 | Complete set for mains or rods with spares for maintenance or rebuilds |
| Q | Does this kit fit ARP Big Block Chevy main stud kits? A: Yes matches 9/16"-18 studs in ARP kits like 245-5901 245-5903 and similar for 396-502 engines |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Secure plastic tray in branded box 4 x 4 x 1 inches |
| Weight | 0.25 lbs |
| Key Features 12-Point Design | Offers superior grip with standard sockets to prevent rounding during high-torque installs 9/16"-18 |
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 9/16in -18 12pt Nut Kit (Pack of 10) 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 300-8335, 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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