More detail: 1. 100% Brand New Item 2. Crank Pulley 3. Lightweight aluminum made from 6061 and anodized for durability 4. Reduce this power draw from alternator, power steering pump, and a/c compressor 5. To reduce this power draw, we designed a smaller and light weight pulley to replace the factory pulley 6. The result is less power drawn by your engine’s accessories and more power to the wheels 7. Increase of 5-7 horsepower 8. 20% under-drive reduction 9. Color: Red