Large alloy pulley for works type engines to GP4 specification. Fits onto viscous water pump M20900001 and is larger than standard to stop cavitation at higher end speeds. Generally for competition use only on Chevette HS/HSR GP4 cars. Takes a standard rubber V-belt, Alloy colour finish
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Large alloy pulley for works type engines to GP4 specification. Fits onto viscous water pump M20900001 and is larger than standard to stop cavitation at higher end speeds. Generally for competition use only on Chevette HS/HSR GP4 cars. Takes a standard rubber V-belt, Alloy colour finish
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