RPi ST Pulley Kit - BMW E60 M5 / E63 M6

IN STOCK & READY TO SHIP



The ST pulley kit helps low end response while adding some pep to your engine. Unlike other pullies on the market, our pulley is hard anodized silver making it difficult to detect from your dealership. Expect 15hp+*.

Kit includes:

- RPI ST underdrive pulley
- Installation Hardware
- New belts