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This ARP performance fastener, stud, bolt, tool, or assembly is the LS1 / LS2 Water Pump w/ Thermostat Housing SS Hex 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
- High-Strength Material: Forged 8740 chromoly alloy rated to 200000 psi resists fatigue and vibration for dependable sealing on LS blocks.
- Precise Torque Specs: Water pump bolts at 22 ft-lbs thermostat at 8 ft-lbs with lubed threads for accurate even clamping load.
- Complete Kit Contents: Includes 4x M8x1.25x35mm bolts for water pump 2x M6x1.0x20mm bolts for thermostat housing plus hardened washers.
- Standard Hex Heads: 6-point design uses common 10mm and 8mm tools for straightforward replacement without specialty equipment.
- Corrosion-Resistant Finish: Black oxide coating reduces friction during install and protects against rust in harsh engine bay conditions.
- Compatible with OEM or aftermarket water pumps and housings on iron aluminum LS blocks.
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 | 134-3201 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | LS1 / LS2 Water Pump w/ Thermostat Housing SS Hex Bolt Kit |
| High-Strength Material | Forged 8740 chromoly alloy rated to 200000 psi resists fatigue and vibration for dependable sealing on LS blocks |
| Complete Kit Contents | Includes 4x M8x1.25x35mm bolts for water pump 2x M6x1.0x20mm bolts for thermostat housing plus hardened washers |
| Corrosion-Resistant Finish | Black oxide coating reduces friction during install and protects against rust in harsh engine bay conditions |
| Standard Hex Heads | 6-point design uses common 10mm and 8mm tools for straightforward replacement without specialty equipment |
| Precise Torque Specs | Water pump bolts at 22 ft-lbs thermostat at 8 ft-lbs with lubed threads for accurate even clamping load |
| Q | Will this kit fit LS1 engines in engine swaps? A: Yes ARP 134-3201 works on any Gen III/IV LS1 LS2 block iron or aluminum with matching water pump thermostat housing bolt patterns |
| Method | UPS Ground or USPS Priority |
| Availability | In stock - ships same or next business day |
| Packaging | Secure padded box 5in W x 1in H x 7in L |
| Weight | 0.4 lbs |
| Key Features High-Strength Material | Forged 8740 chromoly alloy rated to 200000 psi resists fatigue and vibration for dependable sealing on |
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.
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- Shop all ARP products
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Frequently Asked Questions
How do I confirm the LS1 / LS2 Water Pump w/ Thermostat Housing SS Hex 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
- Confirm ARP part number 134-3201, 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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