1777CW 1963-1974 Inline 6 CW Rotation Riser 3 7/8" water pump blue magic polish 3L gmc c15/c1500 suburban 86-77

3L gmc c15/c1500 suburban 86-77 V8 305 5

Hi flow water pumps fits 200

W300 1960 - 1967 318 5

0L GMC 1000 SERIES 65-64 V8 283 4

7L MERCURY CALIENTE 67-66 V8 289 4

1777CW 1963-1974 Inline 6 CW Rotation Riser 3 7/8" water pump blue magic polish 3L gmc c15/c1500 suburban 86-77If you are running a v belt with a riser set up (like a zips riser) and find you have heat cycling it might mean trapped air. The best solution is to build pressure to and the best tool is pump 1777CW. We designed an impeller with an increased vane count and a reduced impeller vane clearance to take build that pressure. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II