Chevy Small Block Short-Style Reverse Rotation High-Flow Mechanical Water Pump - Polished HEI Tune Up Kits 2 Ohms primary resistance helps

2 Ohms primary resistance helps match ignition system requirements

Designed for carbureted 260

this pump includes a screw-on pulley hub

and C10/C-K truck applications from this era

2 Strip Shims

Chevy Small Block Short-Style Reverse Rotation High-Flow Mechanical Water Pump - Polished HEI Tune Up Kits 2 Ohms primary resistance helpsThis Chevy Small Block Short Style Reverse Rotation High Flow Mechanical Water Pump is designed for Gen I Small Block Chevrolet V8 engines using a reverse rotation serpentine accessory drive system. The high volume 8 vane impeller helps improve coolant circulation while maintaining compatibility with short style accessory drive configurations. Pulley Alignment 5. 625 in. hub height and 0. 625 in. pilot diameter help position the pulley and fan drive