ARP 2004 And Later Small Block Chevy GENIII LS 12pt Head Bolt Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the 2004 And Later Small Block Chevy GENIII LS 12pt Head Bolt 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

• ARP2000 Alloy Construction: Rated at 220,000 PSI tensile strength to handle extreme cylinder pressures in racing engines.
• Proven Thread Strength: 10mm x 1.5 threads engineered for Gen III/IV LS blocks from 2004 onward.
• Forged ARP2000 chrome moly alloy with 220,000 PSI tensile strength and 130,000 PSI yield strength.
• Complete Kit of 16 Bolts: Matches OEM quantity to fasten both cylinder heads with exact lengths for raised rail heads.
• Black Oxide Finish: Provides corrosion resistance in harsh engine environments.
• Precision rolled threads for maximum grip in aluminum heads.

Fitment

Specifications

What’s Included

One new ARP head stud & bolt kit 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
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• ARP 02-06 Mini Cooper S Head Stud Kit

Frequently Asked Questions

How do I confirm the 2004 And Later Small Block Chevy GENIII LS 12pt Head Bolt 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

1. Confirm ARP part number 134-3710, the complete application, and every required supporting component before beginning work.
2. Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
3. Follow ARP’s current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
4. Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.