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Aeroflow's Industry first 100% complete billet 6061-T6 aluminium Gilmer drive. Hard anodised for case hardness for maximum life of your Gilmer teeth which prevents slippage and torn belts. Complete with all mounting hardware. Crank pulley includes v-groove for power steering or A/C drive. Gilmer Belts are sold separately.
Small Block and Big Block Chev engines with long water pump.
Aeroflow Performance do not recommend Gilmer belt lengths due to the large number of combinations available on today's market. We recommend to purchase the required Gilmer kit for your application, bolt this onto your vehicle and measure around all three pulleys with the alternator at the lowest adjustment point. This will give you the minimum belt length required for your application.