This is a replacement manual free wheel locking hub with 26 splines, compatible with Sierra, Samurai, and Vitara models.Part number AVM538HP and B030HP.Features 6 bolts and a 90 mm pitch circle diameter (PCD).Constructed from aluminum.Fits the following vehicles: 1981–1998 SJ410 / SJ413 (also known as Jimny, Samurai, or Sierra); 1988–1998 Escudo (also known as Vitara or Sidekick), including Geo variants; 1998–2006 Escudo (also known as Vitara); and 1995–1997 X-90.Installation instructions are not included.Professional installation is recommended.Color may vary slightly due to and screen differences.Allow for a 1–2 mm variation in measurements due to manual measurement.