Want that belt driven sound a supercharger makes? Then this billet aluminium Gilmer drive pulley kit is for you. Vastly increased belt grip over the standard V-Belt setup and even aftermarket twin belt kitsBillet Alloy water pump and crank pulleyKit includes 3 pulleys, Belt and all nec boltsApplications:Series 4 & 5 RX7 13b engines and early model 13b and 12a engines.Suits Turbo & Naturally Aspirated enginesNote: Please let us know when ordering if you are running an early or late model water pump and if you car is N/A or Turbo.
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