{"product_id":"big-block-chev-short-water-pump-cast-alloy-3-4-shaft-with-5-8-fan-pilot-snout","title":"Big Block Chev Short Water Pump Cast Alloy 3\/4\" Shaft with 5\/8\" Fan Pilot Snout","description":"\u003cdiv\u003e\n\u003ch2\u003eBig Block Chevy Short Water Pump — Natural Cast Aluminum\u003c\/h2\u003e\n\u003cp\u003eDesigned for street-driven Big Block Chevy engines, this Aeroflow short water pump blends lightweight natural cast aluminum with robust internals to deliver dependable cooling under daily driving and spirited performance. The classic natural finish reduces weight and adds durability, making it a practical upgrade over OEM units.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eShort water pump design tailored for Big Block Chevy engines\u003c\/li\u003e \u003cli\u003eNatural cast aluminum construction for weight savings and improved cooling potential\u003c\/li\u003e \u003cli\u003e3\/4\" shaft with 5\/8\" fan pilot snout ensures secure belt alignment with standard pulleys\u003c\/li\u003e \u003cli\u003eSix-blade impeller with curved vanes for maximum flow and balanced pressure to both sides of the block\u003c\/li\u003e \u003cli\u003eImpeller design minimizes high-RPM cavitation and resists cracking, corrosion, and fatigue\u003c\/li\u003e \u003cli\u003e1\/2\" NPT ports: passenger side (heater hose) and top (bypass hose)\u003c\/li\u003e \u003cli\u003e3\/4\" ultra-duty bearings engineered for longevity under street use\u003c\/li\u003e \u003cli\u003eCompatible with OEM accessories and pulleys for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat’s included: 2 x 1\/2\" NPT plugs, 2 x water pump gaskets, and 1 x straight 5\/8\" barb to 1\/2\" NPT heater hose fitting.\u003c\/p\u003e \u003ch3\u003eKey Benefits and Use Cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliable cooling across a wide RPM range, helping to maintain consistent operating temperatures during daily driving and performance sessions\u003c\/li\u003e \u003cli\u003eLightweight cast aluminum body reduces parasitic drivetrain load without sacrificing durability\u003c\/li\u003e \u003cli\u003eDeliberate porting for heater and bypass hoses simplifies installation and OEM compatibility\u003c\/li\u003e \u003cli\u003eIdeal upgrade for classic or modernized Big Block Chevy street setups seeking dependable coolant flow\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStyle: Short water pump\u003c\/li\u003e \u003cli\u003eFinish: Natural cast\u003c\/li\u003e \u003cli\u003eMaterial: Cast aluminum\u003c\/li\u003e \u003cli\u003eShaft size: 3\/4\"\u003c\/li\u003e \u003cli\u003eFan pilot snout: 5\/8\"\u003c\/li\u003e \u003cli\u003eBearings: 3\/4\" ultra-duty\u003c\/li\u003e \u003cli\u003eHose fittings: 1\/2\" NPT (heater and bypass ports)\u003c\/li\u003e \u003cli\u003eRPM limit: up to 5,500 RPM\u003c\/li\u003e \u003cli\u003eApplications: Street use on Big Block Chevy engines\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: Not recommended for engines exceeding 5,500 RPM.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47322114654378,"sku":"AF64-2355","price":226.1,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/AF64-2355.jpg?v=1754962014","url":"https:\/\/tgmperformance.com.au\/products\/big-block-chev-short-water-pump-cast-alloy-3-4-shaft-with-5-8-fan-pilot-snout","provider":"TGM Performance Parts","version":"1.0","type":"link"}