Click to zoom in
SKU: 200-8535 | UPC: 672036006594
ARP 9/16in ID 1.00in OD Black Washers (Pack of 10) for Chevy Big Block and Ford 429/460
These ARP black anodized washers feature precise 9/16in inner diameter and 1.00in outer diameter for secure fit on 9/16in ARP main studs and bolts. Designed for high-performance engine assemblies in Chevy Big Block Mark IV/V and Ford 429/460 engines they ensure even load distribution and lasting performance under extreme heat and stress. Pack of 10 provides exact replacements or additions for stud kits.
Key Features
- Hard Anodized Aluminum Construction: 2024-T6 aluminum offers lightweight strength and superior corrosion resistance for long-term engine reliability
- Exact Dimensions: 9/16in ID x 1.00in OD matches ARP 9/16in fasteners perfectly preventing slippage and ensuring uniform clamping
- Black Anodized Finish: Durable black oxide coating resists wear and provides clean professional appearance in engine bays
- High Clamp Load Retention: Engineered to maintain tension through heat cycles in street strip and track use
- Pack of 10: Convenient quantity for complete main stud kits or spare hardware in performance builds
Product Notes
- Inspect washers for flatness before installation to guarantee optimal performance
- Store in dry environment to preserve anodized finish integrity
- Small lightweight part ships quickly with no hazmat restrictions
Installation Notes
- Professional installation recommended.
- Clean all threads thoroughly and apply ARP Ultra-Torque fastener lubricant as specified
- Torque to ARP or factory specifications in correct sequence recheck after 100 miles or initial heat cycles
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1985 | Chevrolet | Big Block Mark IV | 396 402 427 454 |
| 1991-1998 | Chevrolet | Big Block Gen V | 454 SS |
| 1968-1976 | Ford | F-250 | 429 460 |
| 1977-1997 | Ford | E-350 | 460 |
| Universal | Performance | 9/16in Stud Applications | Main Caps Rod Ends |
Why Choose ARP?
- Proven in NHRA IHRA and NASCAR racing for decades
- Manufactured from premium aerospace-grade materials
- Machined to exact tolerances for repeatable performance
Frequently Asked Questions
-
Q: What engines or applications do these washers fit?
A: Designed for 9/16in ARP main studs and bolts in Chevy Big Block 396-454 Mark IV/V and Ford 429/460 V8 engines plus other performance builds requiring precise washer sizing -
Q: What material and finish are used?
A: Made from 2024-T6 hard anodized aluminum with black oxide finish for strength corrosion resistance and heat tolerance up to 500F -
Q: What is the warranty and installation support?
A: Backed by ARP limited warranty includes torque specs and lube recommendations use ARP Ultra-Torque for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact poly bag in protective box 3.8 x 3.7 x 0.7 inches
- Weight: 0.05 lbs net 0.1 lbs shipping
ARP Head Studs
ARP head stud kits for internal engine builds are stocked at Black Ops Auto Works. Shop ARP head stud and bolt kits, main stud kits, and rod bolt kits engineered for HEMI, Ford Modular and Coyote, GM LS, Subaru EJ, Honda K and B series, VW/Audi turbo four cylinders, Porsche, BMC, and Renault engines, along with the Ultra-Torque assembly lubricant every kit depends on. Every product is filterable by year, make, model, and engine platform so the correct fastener kit ships the first time. Black Ops Auto Works carries 812 ARP Head Studs SKUs across 8740 chromoly and ARP2000 alloy options. What This Collection Covers ARP head studs replace factory head bolts with precision-machined threaded studs that thread into the block and allow the nut to be torqued concentrically on a stationary fastener, producing more even and repeatable clamping force across the entire head gasket surface than a factory head bolt design. This collection focuses on the internal engine fasteners that hold the ...
View ARP Head Studs Products
Hardware
Engine hardware, fasteners, and mounting hardware kits for builds, fabrication, and suspension work are stocked at Black Ops Auto Works. Shop ARP engine bolts and stud kits, suspension mounting hardware from Fox and Rock Krawler, bumper mount kits, tie rod clamps, joint retainer tools, and single and kit-packaged hardware for domestic, import, and off-road platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 945 Hardware SKUs across engine hardware, suspension mounting hardware, and single-piece or kit-packaged fasteners. What This Collection Covers Hardware groups together the fasteners, mounting kits, clamps, and small components that hold engines, suspension systems, and accessories together. This includes ARP engine hardware such as intake manifold bolts and cam bolt kits, suspension mounting hardware from Fox and Rock Krawler for shock and steering stabilizer installs...
View Hardware Products
Hardware Kits - Other
Hardware kits and fastener assortments for engine builds, suspension installs, body and trim jobs, and off road rigs are stocked at Black Ops Auto Works. Shop ARP bolt and stud kits, brake caliper hardware, suspension bushing hardware, leaf spring hardware kits, security fastener kits, and general clip and retainer assortments across domestic and import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 593 Hardware Kits - Other SKUs across engine, suspension, body, and lighting hardware categories. What This Category Covers The Hardware Kits - Other category groups together fastener kits and hardware assortments that do not fall under a single dedicated part category. Coverage spans engine fastener kits like cam bolts and intake manifold bolts, suspension hardware including bushing pivot washers and leaf spring hardware, seat belt mounting hardware, security hardware fo...
View Hardware Kits - Other Products