QA1 Jam Nut - 5/8-18 Left Hand - 15/16 Hex 3/8in Wide - Steel

Automotive hardware encompasses the fasteners, clips, retainers, and mounting hardware that hold virtually every component on a vehicle in place, from engine bay bolts that endure extreme heat and vibration to interior trim clips that must release cleanly during service without breaking. Quality automotive hardware from brands including ARP, Dorman, and OEM equivalent suppliers provides reliable clamping force and corrosion resistance that cheap hardware does not, reducing the likelihood of seized or stripped fasteners that turn a simple service into a time-consuming repair. For engine and high-stress suspension applications, ARP's heat-treated fasteners provide torque capacity and fatigue resistance that exceed standard hardware grade specifications by a significant margin. For interior, body, and trim applications, OEM-equivalent push pins, clips, and retainers from Dorman provide exact-fit replacements that insert and release correctly without the frustration of incompatible gene...

Automotive hardware kits provide complete sets of fasteners, clips, and retainers for specific repair applications or general-use assortments that cover the most commonly needed sizes for a particular vehicle platform or repair type. A complete hardware kit for a specific job, such as a brake hardware kit with all caliper bolts, slide pins, and pad hardware, ensures every item needed for a professional repair is included in a single purchase rather than requiring multiple individual part searches. General-purpose clip and retainer assortments provide a broad selection of the most common push pin and Christmas tree retainer sizes used across multiple vehicle brands, allowing shops and home mechanics to address most trim and body clip replacements from a single kit. Hardware kits that include both the fasteners and the required lubricants or thread-locking compounds provide a complete solution for time-sensitive repairs. Popular Upgrades Brake caliper bolt and slide pin hardware kits ...

Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...