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This ARP performance fastener, stud, bolt, tool, or assembly is the 1/2inch Inner Diameter Insert Washers (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
- Exact Dimensions: 0.500 inch ID x 0.875 inch OD x 0.060 inch thick matches ARP rod bolt specs for flawless assembly.
- Chromoly Steel Construction: Heat-treated 8740 alloy withstands high torque and vibration without deforming.
- Crush Fit Assurance: Maintains precise insert alignment for even clamping pressure and long-term reliability.
- CNC machined tolerances hold under 0.001 inch for zero slop.
- Galling Prevention: Shields bearing inserts from bolt contact damage during torque and operation.
- 8740 chromoly steel exceeds SAE Grade 8 strength ratings.
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 | 200-8574 |
| Product Type | Hardware Kits - Other |
| Condition | New |
| Configuration | 1/2inch Inner Diameter Insert Washers (10 pack) |
| Exact Dimensions | 0.500 inch ID x 0.875 inch OD x 0.060 inch thick matches ARP rod bolt specs for flawless assembly |
| Chromoly Steel Construction | Heat-treated 8740 alloy withstands high torque and vibration without deforming |
| Galling Prevention | Shields bearing inserts from bolt contact damage during torque and operation |
| Crush Fit Assurance | Maintains precise insert alignment for even clamping pressure and long-term reliability |
| 10-Pack Quantity | Suits partial rebuilds or spares, with V8 engines typically needing 16-20 total |
| Q | What engines use these 1/2-inch ID washers? A: Designed for big block Chevy 396-454, Ford 429/460 385 series, Mopar 426 Hemi RB/BB engines with ARP 1/2-inch rod bolts. |
| Method | UPS Ground |
| Availability | In stock - ships same or next business day |
| Packaging | 1 x 3 x 5 inch box |
| Weight | 0.05 lbs |
| Key Features Exact Dimensions | 0.500 inch ID x 0.875 inch OD x 0.060 inch thick matches ARP rod bolt specs for flawless assembly |
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 1/2inch Inner Diameter Insert Washers (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 200-8574, 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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