SKU: 200-8748 | UPC: 672036036812
ARP 7/16 ID 1in OD Black Washers (10 pack)
ARP black oxide washers measure 7/16 inch inner diameter by 1 inch outer diameter with 0.06 inch thickness for exact fit on 7/16 inch performance bolts. These hardened steel washers distribute load evenly under bolt heads and nuts in high-stress engine applications like cylinder heads mains and rods. Build confidence with ARP reliability that holds torque through heat cycles and high RPM demands.
Key Features
- Precise Sizing: 7/16 inch ID x 1 inch OD x 0.06 inch thick fits ARP 7/16 bolts without slop or overhang
- Black Oxide Finish: Resists rust and galling in oily wet engine environments for lasting performance
- Hardened Steel Construction: Withstands 200,000 psi tensile strength to maintain clamp load under extreme conditions
- 10 Pack Quantity: Enough washers for multiple fasteners in head stud main cap or rod bolt kits
- Application Ready: Designed for ARP fastener systems in small block big block and modular engines
Product Notes
- Inspect washers for damage before installation and match to bolt diameter
- Store in dry area to preserve oxide coating integrity
- Lightweight 0.1 lb pack ships in 4 x 4 x 1 inch padded envelope
Installation Notes
- Professional installation recommended.
- Clean bolt threads and under washer faces apply ARP Ultra-Torque lubricant
- Torque to ARP specifications in sequence recheck after 500 miles or heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-1998 | Chevrolet | Small Block V8 | 262-400 cid |
| 1962-2000 | Ford | Small Block V8 | 260-351W cid |
| 1997-2023 | Chevrolet / GM | LS Series V8 | LS1-LS7 |
| 1965-1997 | Chrysler | LA / Magnum V8 | 318-360 cid |
| Universal | Various | Performance Engines | 7/16″ ARP Bolts |
Why Choose ARP?
- ARP sets the standard for racing fasteners trusted by NHRA Top Fuel and NASCAR teams
- Manufactured in USA with proprietary heat treatment for fatigue resistance
- Backed by ARP engineering data and technical support for custom builds
Frequently Asked Questions
- Q: Will these fit my ARP head stud kit?
A: Yes designed for 7/16 inch ARP head main and rod bolts on Chevy Ford and Chrysler V8 engines listed in fitment - Q: What material and finish are used?
A: High-strength alloy steel with black oxide coating for corrosion protection and reduced friction - Q: Does ARP offer support for torque specs?
A: ARP provides detailed torque charts lube recommendations and sequences for all kits contact ARP tech line
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact 4 x 4 x 1 inch padded envelope
- Weight: 0.1 lbs
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