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4L / 332 in³
It will not fit standard-height distributors
Compatibility depends on matching flow rating
Length: 4"
Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Polished Cap Rotors 4L / 332 in³This Chevy 348 409 W Series High Flow Mechanical Water Pump is designed for Chevrolet Big Block Gen I "W" engines. Featuring a high volume 8 vane anti cavitation impeller and lightweight aluminum housing, it helps improve coolant circulation while maintaining compatibility with 348 and 409 accessory drive systems. Pulley Alignment 5. 500 in. hub height and 0. 625 in. pilot diameter help position the pulley and fan drive during installation. Impeller &
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