High volume. Maximum flow. Proflow's new CoolMax water pump for LS Holden/Chev are ideal for street, strip, and high demand applications requiring increased volume. Cast from high-strength A356-T6 aluminium, it features curved, enlarged internal passages that deliver significantly greater flow rates than factory pumps. It also boasts an anti-cavitation impeller, lightweight billet aluminium pulley, leakproof seals and gaskets, and heavy duty roller bearing assemblies. Available in your choice of

🔧 Proflow at MotorEx 2025 🔥 We brought the power to MotorEx #23. From street cars to full-blown builds, Proflow was everywhere — powering up the toughest machines on display. 🎥 Watch the action from Australia’s biggest automotive event and see why Proflow is the name trusted by performance pros across the country. 🚗 Fuel systems, fittings, intake setups, alternators, and more — all engineered for serious builds and proven under pressure. ✅ Built for performance ✅ Proven in motorsport ✅ Backe