ASP Underdrive crank and alt pulley set FS
#3
Re: ASP Underdrive crank and alt pulley set FS
02CHEVYRACING TRUCK, ya they fit perfectly on 5.3L engines. That is what I have in my truck. I am selling them because I put a Whipple SC on my truck and using these would spin the super charger slower thus not making as much boost as the stock (larger pulleys) would.
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