KRC Modular Serpentine Pulley kits feature their new dual keyed drive sytem with hardcoated billet aluminum pulleys. The water pump drive is available in 30%, 15%, or one to one pulley combinations. Under race conditions water pump speed must be kept between 5,000 and 6,500 RPM for proper engine cooling. Be sure to check with your engine builder for their recommendations.
Available for head or block mounted pumps for S/B Chevy. Complete with belt, pulleys, and bolts. All kits are designed to fit a 4.2" serpentine pulley power steering pump.