MSD Advance Kit DX2120K Once you have your baseline

Once you have your baseline spacing correct on your axle - you simply move the existing spacers from the inside of the wheel to the center of the split cone or vise versa

If it travels another inch it will have 1000lbs on it

If it is your intent to use the top mounted factory oil pressure sensor on LS2/LS3/LS7/LSX engines

Power Steering Reservoir Cap

MSD Advance Kit DX2120K Once you have your baselineThe MSD Distributor Advance Kits are the same kits that come with your MSD Distributor. The kit contains an assortment of springs and advance limit bushings. The MSD Distributor Advance Kits are the same kits that come with your MSD Distribu Product Description: Mechanical Advance Springs Bushings MSD Distributors Kit Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over