1671 1966-1991 Chevy GMC 396 400 427 454 502 Long 7-1/4" PS Alt. mounts water pump boat The SPAL fan pigtail is

The SPAL fan pigtail is SPAL's standard pigtail and features an AMP connector

4L chevrolet g20 1976 V8 454 7

We wanted  t oprevent that so we designed an impeller with an increased vane count and a reduced impeller vane clearance to take care of the problem

4L chevrolet p20 1976 V8 454 7

1671 1966-1991 Chevy GMC 396 400 427 454 502 Long 7-1/4" PS Alt. mounts water pump boat The SPAL fan pigtail isIs your big block running hot? Flowkooler designed a high flow water pump with a CNC machined billet impeller with 16 vanes, integrated shrouding and a reduced casting to impeller vane clearance. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. FlowKooler introduced the first hi flow pumps and continues