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SKU: 200-8747 | UPC: 672036038991
ARP 7/16 ID 7/8 OD Black Washers (10 pack) Chevrolet Small Block LS Ford 302/351W
ARP black washers deliver reliable hardware for performance engine builds with 7/16 inch fasteners. They fit Chevrolet Small Block 262-400 CID engines 1955-2000 LS series 1997-2024 and Ford 289/302/351W 1962-1995. These washers spread clamping loads evenly to safeguard studs and blocks in high horsepower applications.
Key Features
- Precision Dimensions: 7/16 inch inner diameter 7/8 inch outer diameter 0.060 inch thickness align with ARP 7/16 inch head studs and rod bolts
- Black Oxide Finish: Protects against corrosion and galling in high heat oily engine environments
- High Strength Steel: Forged chromoly alloy handles extreme torque vibration in racing engines
- 10 Pack Quantity: Provides enough for full cylinder head or connecting rod setups on V8s
- Universal Hardware Design: Matches ARP Pro Series kits for GM Ford performance engines
Product Notes
- Inspect fasteners for matching thread size before assembly
- Clean washers thoroughly prior to installation to ensure full contact
- Packaged in protective poly bag to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Place washers under bolt heads or nut seats for even pressure distribution
- Torque to ARP specifications using accurate calibrated wrench
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1955-2000 | Chevrolet | Passenger Car/Truck | Small Block 262-400 CID |
| 1997-2024 | Chevrolet | Corvette/Camaro/Firebird | LS1 LS2 LS3 LS7 Gen III/IV |
| 1998-2002 | Chevrolet | Camaro | Z28/SS LS1 |
| 1967-2002 | Chevrolet | Camaro | V8 Small Block |
| 1962-1995 | Ford | Mustang/Fairlane | 289 302 351W |
| 1969-1996 | Ford | F100/F250/Truck | 302 351W |
| 1968-1995 | Ford | Bronco | 302 351W |
Why Choose ARP?
- Trusted by NHRA Top Fuel teams for critical engine hardware
- Manufactured to exacting tolerances for repeatable results
- Engineered for maximum clamp load retention under boost
Frequently Asked Questions
-
Q: What ARP fasteners do these washers work with on LS engines?
A: Compatible with 7/16 inch head studs like ARP 234-3610 for LS1/LS2/LS3 and rod bolts in Gen III/IV blocks -
Q: What material and thickness are these washers?
A: High strength chromoly steel construction approximately 0.060 inch thick with black oxide coating -
Q: Is there a warranty on ARP washers?
A: Backed by ARP limited lifetime warranty for defects in materials or workmanship
Shipping & Handling
- Method: UPS Ground or USPS Priority Mail
- Availability: In stock - ships same or next business day
- Packaging: Poly bag in small box 3.5 x 3 x 0.5 inches
- Weight: 0.8 ounces
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