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T1R Crankshaft pulley - Honda Civic Si 06-08 FG2 / FA5 Acura CSX FD2


The T1R high performance light weight crank pulley has been developed to reduce drive-belt stress and rotating mass thus allowing a smoother engine response and acceleration which offers an increase in horsepower and torque.

This crank pulley has been designed to factory OEM sizing due to the disadvantages with underdrive pulleys (smaller sized pulleys) which causes damages and malfunctions to the alternator. Smaller sized crank pullers are very prone to charging and battery issues due to being underdriven.

Made out of CNC machined Forged aluminum and the pulley weighs on 649g (1.42 lbs).

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