KRC Modular Serpentine Pulley kits feature their new dual-keyed drive sytem with hardcoated billet aluminum pulleys. The water pump drive provides a 30% speed reduction. 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.
For cylinder head mounted small block Chevy power steering pumps. Complete with belt, pulleys, and bolts. All kits are designed to fit a 4.2" serpentine pulley power steering pump.
- 4.0" aluminum water pump pulley
- 6-groove main drive
- 3-groove accessory drive
- Aluminum crankshaft pulley
- R-LOK crank adapter
Head Mount Pump