Adjustable Splined Key 8x4x70mm - 2 Pins Ø6mm High-precision splined key designed to ensure a solid and secure locking of the wheel hub on the kart axle, preventing unwanted movements or backward shifts even under extreme racing conditions. Made from high-strength steel, it guarantees maximum setup stability and reliable power transmission. Equipped with 2 Ø6mm pins spaced 30 mm apart, it allows for precise coupling between the shaft and mechanical components, eliminating play and slippage. Ideal for applications in karting, motorsports, and high-performance mechanics. Technical specifications: Dimensions: 8mm (width) × 4mm (height) × 70mm (length) Pins: 2 × Ø6mm Pin spacing: 30mm Material: high-strength steel Applications: shafts, hubs, sprockets, pulleys, flywheels, etc.