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This ARP performance fastener, stud, bolt, tool, or assembly is the M8 x 1.25 x 60 12pt SS Bolts (5/pkg). 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
- ARP 771-1009 delivers five M8 x 1.25 x 60mm 12-point bolts in Stainless 300 for high-performance engine builds.
- These bolts secure intake manifolds on GM LS engines valve covers on Ford Coyote 5.0 HEMIs and turbo housings with 170000 PSI tensile strength rolled threads and full corrosion protection.
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 | 771-1009 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | M8 x 1.25 x 60 12pt SS Bolts (5/pkg) |
| Stainless 300 Material | Resists corrosion in harsh engine environments while maintaining high strength |
| 12-Point Head | Delivers higher torque loads with reduced socket stripping and tool clearance needs |
| Rolled Threads | Boosts fatigue resistance and thread strength over machined threads |
| 170000 PSI Tensile Strength | Exceeds Grade 8 hardware for reliable clamping under extreme loads |
| USA Made Precision | Aerospace quality control ensures consistent fit and performance |
| Q | Does this fit LS intake manifolds? A: Yes M8 x 1.25 x 60mm matches GM LS1-LS7 LT Coyote HEMI intake and valve cover patterns. |
| Method | UPS/FedEx Ground |
| Availability | In stock - ships same or next business day |
| Packaging | Official ARP retail box 6 x 4 x 1 inches |
| Weight | 0.2 lbs |
| Key Features Stainless 300 Material | Resists corrosion in harsh engine environments while maintaining high strength 12-Point |
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 M8 x 1.25 x 60 12pt SS Bolts (5/pkg) 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 771-1009, 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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