Vortech

4MA031-387

Vortech 4MA031-387 10-Rib 3.87 Marine Supercharger Pulley

Pulleys

** NOTE : PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC

Marine Carbureted System Supercharger PulleysVortech Marine Supercharger Pulleys are machined from 6061 T-6 hard anodized aluminum with the proper profile to maximize surface contact area for precise fit. Each pulley is built to SAE standards.Attention Export Customers: US Spec Vehicles OnlyComplete Vortech supercharger systems are intended for use on vehicles made and operated in the USA. Fitment of these systems to vehicles not made and operated in the USA may require custom tuning.Please Note : A change in one pulley size will usually effect boost 1-2 PSIG... down in diameter up in boost and vice versa.

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