• Stage 4 pumps incorporate the all new DRV-series 8 vane CNC machined 6061-T6 billet aluminum impeller that flow up to 41% more water at twice the pressure than traditional designs
• 356-T6 aluminum casting with two 1/2" NPT auxiliary ports
• Equal flow to left and right cylinder heads
• 3/4" bearing with a 3/4" shaft
• Precision ground ½” steel billet fan hub with dual bolt pattern for perfect pulley alignment
For more information and tech tips click the link below
https://www.stewartcomponents.com/tech-tips/