4000 SERIES disc brake rotors are a direct replacement single piece brake rotor, designed for drivers seeking upgraded performance braking above and beyond standard OE levels. Cast from high carbon alloyed iron and undergoing Thermal Stability Profiling, DBAs metallurgy can handle the increased stress and heat generated under intense braking applications, time and time again. Featuring DBAs Kangaroo Paw ventilation that implements a series of 144 diamond and teardrop patterned pillars, DBA achieves up to a 30% increase in surface area and 20% improvement in cooling efficiency (as compared to a traditional straight vane design). Disc Brakes Australia (DBA) is a leading manufacturer of high-performance brake rotors for the automotive industry. Founded in 1974, the company has established itself as a trusted name in the industry, producing top-quality brake rotors that are designed to improve braking performance and reliability. DBA's product line includes slotted, drilled, and combination rotors, as well as brake pads and other brake components. The company's commitment to research and development has resulted in innovative products that have been used by top racing teams and enthusiasts around the world. DBA's focus on quality and customer satisfaction has earned it a loyal following among professionals and enthusiasts alike. Suits the following vehicles: Nissan - Skyline - 2.0 AWD R32 - DIA OF 297MM Nissan - Skyline - 2.0 R32 - DIA OF 297MM Nissan - Skyline - 2.0 R32 Turbo - Suits From 5/89 To 7/93 Nissan - Skyline - 2.0 R32 Turbo AWD - Suits From 5/89 To 7/93 Nissan - Skyline - 2.5 R33 Nissan - Skyline - 2.5 R33 AWD Nissan - Skyline - 2.5 R33 Turbo Nissan - Skyline - 2.5 R34 Nissan - Skyline - 2.5 R34 AWD - DIA 297MM Nissan - Skyline - 2.5 R34 Turbo Nissan - Skyline - 2.6 R32 GTR Twin Turbo AWD - Suits 6/1989-8/1993-DOHC
