Fine Aramid Fiber + Nylon Fiber Drive Belt

The HKS Fine Tune Timing Belt (Part Number: 24999-AT003) is engineered for enhanced durability and performance in select Toyota engines. Constructed with advanced materials, including Aramid Fiber + Nylon Fiber for the teeth and H-NBR for the teeth rubber, this belt is built to withstand demanding conditions. The core wire is made from high-strength, heatproof, and waterproof material, ensuring reliable operation. This timing belt is specifically designed for engines such as the Toyota 1JZ-GTE and 1JZ-GE (DOHC, 24V, 2.5L inline-6). The belt size is 137Y25.4, and it replaces the stock belt with part number 13568-49065. The purple backside color is a distinctive visual cue of its HKS origin. Fitment details indicate compatibility with a wide range of Toyota models, including various iterations of the Crown, Mark II, Chaser, Cresta, Verossa, Soarer, and Supra. The manufacturer notes that compatibility information is generally for JDM (Japanese Domestic Market) cars, and buyers are advised to conduct their own research to confirm fitment for their specific vehicle. After-sale support does not extend to installation assistance.