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VW Jetta MKV 2.0T FSI Lightweight Underdrive Pulleys - Starting At $139.95 Shipped!

Take back your horsepower. Accessories like A/C, power steering, and the alternator eat great gobs of horsepower. Cut those losses with an underdrive pulley from ECS Tuning.

Our low mass underdive pulleys are precision machined from lightweight aluminum to spool up faster, while spinning accessories at a slower speed to save power losses.

Kits contain pulley, attachment bolts, and a new accessory belt; a packaged performance tweak that looks great.