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ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.
The ARP M12 ID .875in OD black washers are a staple for any serious engine build. Designed to handle the rigors of high-performance racing, these hardened steel washers provide a stable platform for your fasteners, ensuring that torque is applied evenly and maintained throughout the life of the engine. Their robust construction makes them an ideal choice for securing critical engine components.
Proper torque is the secret to a reliable engine. Using high-quality washers like these from ARP ensures that your fasteners don't dig into the surface of your engine block or cylinder head. By distributing the load across a larger surface area, these washers protect your components from deformation and ensure that your engine remains sealed and secure under high-boost or high-compression conditions. Whether you are a professional builder or a DIY enthusiast, using the right hardware is the first step toward a successful build. Trust in the proven quality of ARP and upgrade your engine's hardware with the selection found at GGCRACING.
| Brand | ARP |
|---|---|
| Manufacturer part number | 200-8537 |
| GGC SKU | ARP200-8537 |
| UPC / GTIN | 672036023294 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 7.3 × 4.8 × 0.25 in |
|---|---|
| Shipping weight | 0.2 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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