
















| SKU | ALF78660 |
| MPN | 78660 |
| Units per SKU | 1.0 |
| Certifications | None |
| Material | Aluminum |
| Color/Finish | Natural |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2018 | BMW | M3 | Base |
| 2015-2018 | BMW | M4 | Base |
| 2016 | BMW | M4 | GTS |
Introducing the Allstar Performance Rear Kits - premium washers designed to enhance your vehicle's assembly with precision and reliability. Crafted from high-quality aluminum, these washers come in a natural finish that provides both durability and a clean look.
Each washer features a 1.00 inch outside diameter, perfectly suited to fit #10 size bolts, ensuring a secure fit in a variety of automotive applications. The inside diameter is chamfered, allowing for smooth seating and easy installation without damaging bolt heads or surfaces.
Sold as a set of 50, these washers are ideal for enthusiasts and professionals who demand consistent performance and quality in their tuning projects. Whether you're working on hot rods, kit cars, or upgrading V8 engines, these washers from Allstar Performance are a dependable choice.
Backed by the trusted Allstar Performance brand and identified by part number ALL18660-50, this product also holds the Summit Racing number AAF-ALL18660-50 for easy referencing. Lightweight and engineered for strength, these washers help maintain the integrity of your assembly while providing a sleek, natural aluminum appearance.
With no hardening treatment, these washers maintain a suitable level of flexibility to accommodate your specific needs without compromising reliability. Upgrade your automotive build with Allstar Performance Countersunk Washers and experience the difference quality parts make.
Each washer features a 1.00 inch outside diameter, perfectly suited to fit #10 size bolts, ensuring a secure fit in a variety of automotive applications. The inside diameter is chamfered, allowing for smooth seating and easy installation without damaging bolt heads or surfaces.
Sold as a set of 50, these washers are ideal for enthusiasts and professionals who demand consistent performance and quality in their tuning projects. Whether you're working on hot rods, kit cars, or upgrading V8 engines, these washers from Allstar Performance are a dependable choice.
Backed by the trusted Allstar Performance brand and identified by part number ALL18660-50, this product also holds the Summit Racing number AAF-ALL18660-50 for easy referencing. Lightweight and engineered for strength, these washers help maintain the integrity of your assembly while providing a sleek, natural aluminum appearance.
With no hardening treatment, these washers maintain a suitable level of flexibility to accommodate your specific needs without compromising reliability. Upgrade your automotive build with Allstar Performance Countersunk Washers and experience the difference quality parts make.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















