SPL Parts RF12C031Z SPL 1M12-1.75 Flanged Locknut, Class 10, Zinc Plated Oval Lock Nut

SPL Parts is a manufacturer of high-quality, US-made suspension components for motorsports and street applications. They are known for their adjustable control arms, spherical bushing upgrades, and bump steer-adjustable tie rod ends, particularly for Nissan and Infiniti models. SPL Parts has expanded its product line to include parts for BMW, Porsche, Mazda, Subaru, Chevrolet, and Ford. They also produce parts for Mercedes-Benz AMG, Nissan, and Hyundai in Touring Car and GT class racing.