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This mechanical water pump for GM LSx engines boasts higher flow with a 4 inch impeller. It is for reverse rotation, serpentine style applications. Type III coated pumps are used when running abrasive additive in cooling system to slow wear.
SKU:WP419S
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Billet 6061 construction
Black Type 3 hard anodize finish
Weight – 11.60 pounds with pulley
Depth – 5.95”
4” Dia. billet 6061 impeller
-08 ORB heater hose ports. Comes with block off plugs installed
Designed for LS1-LS2 style thermostat and housing
1.5” Upper hose connection provided
-20 ORB outlet port, uses our WN style fittings
Max pump pulley RPM of 7000 recommend
This Baja Race winning pump is the choice of all the top teams in off-road racing
Hand assembled to tight tolerance for the best performance in the industry.
Pump can be sent back to Meziere for rebuild service after a long and grueling race season.
Application information:
Fits all LS and LSx engine blocks.
Standard LS serpentine / reverse belt rotation.
Thermostat block-off provide for running without a thermostat.
Is Not a direct factory replacement, Call Meziere tech support to find out if this will fit your application.