I have an 02 Lightning with a 6lb lower and 2lb upper. I bought both pullies from rpmoutlet when they were new to the market. I am looking at rpmoutlet GenII Aux idler pulley with a second idler on the factory bracket. Both pullies would be 100mm.
Link to Aux Idler Kit: Click
What size belt would I need to run? Thanks
Link to Aux Idler Kit: Click
What size belt would I need to run? Thanks