Stewart Stage 4 Water Pump - 3/4 in Pilot - Short Design - Small Block Chevy 42203 H764001S this is a permanent solution

this is a permanent solution that replaces a welded in O2 bung

The 515 seals have a

Breather Kit

Mounting performance gauges in cramped vehicle interiors can be challenging

Stewart Stage 4 Water Pump - 3/4 in Pilot - Short Design - Small Block Chevy 42203 H764001S this is a permanent solutionStewart Stage 4 pumps are the cutting edge in performance water pump technology. The Stage 4 pump utilizes the EMP Stewart Components DRV 8 impeller. This exclusive 8 vane impeller is fully CNC machined from 6061 T6 billet aluminum. It's special design flows up to 160 GPM, while consuming less than 3 horsepower at 4, 500 pump RPM. Stewart Stage 4 pumps are the ULTIMATE water pump for any application! Note: All Stage 4 high flow water pumps require a