02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Fine Tune Timing Belt | 24999-AF001

Here, you are looking at the HKS Fine Tune timing belt for most Subaru EJ Series engines. 

This belt features a new design to allow the belt teeth to fit fully into the cam gears and features high saturation H-NBR (Hydrogenated Nitrile Butadiene Rubber) for added strength.

HKS has developed the belt to an optimized specification to suit the Subaru boxer engine, which has a very long belt and is designed to be used with the stock EJ engine belt tensioner. The timing belt has been developed with valve timing during the thermal expansion of the block and head in mind, ensuring correct belt tension at all times.

This belt will not stretch and warp as much as a stock belt making sure your vehicle has the correct timing at all times.

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