


This March Performance water pump pulley is CNC-machined from 6061-T6 billet aluminum, giving a true-running, durable replacement for the factory piece. It sets how fast the water pump turns, and its precise machining keeps the belt aligned with the rest of the drive. The finish is built to hold up to engine heat and keep the front of the engine looking sharp.
This part number is configured as follows: Finish: Black. Application: Small & Big Block Chevy w/ Short Water Pumps Tech Specs: Attachment Style: Press Fit Shaft Size (A): 3/4" First Groove Dimension (B): 1.15" Outside Diameter Size (D): 5.75"; This pulley is a billet version built to match GM OEM Part Number 346289AK.
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