LFP Lower Crank Pulley Kit 2003-04 Mustang Cobra Would you like to be cruising at 60mph and be able to punch it like you were at a stand still? Sure you would! You want to get out of the hole quicker and add big torque? Heck Yeah! LFP has the easiest and least expensive way for you to accomplish this is by removing your stock crank pulley assembly and uprading to a Larger Diameter CNC Machined Lightweight Aluminum LFP Lower Crank Pulley Kit for your 2003-2004 Mustang SVT Cobra. LFP's lower pulley kits allow you to add your choice of a 2lb. 4lb. or a 6lb. aluminum lower pulley ring to allow for user specific boost increases. Testing has shown gains of 60+ horsepower. As the size of the crank pulley increases, so does your belt. LFP offers proper sized Goodyear Gatorback Belts. Please specify your pulley combo when purchasing a belt. Keep your Pony Runnin like Silk...Sooth….and Fast!Features: Choice of 2#, 4#, 6# or 8# pulley ring finished in anodized satin black, easily changed after system installation. Swapping Pulley Rings can be achieved by simply dropping blower belt and backing out 6 Allen bolts. When ordering please specify which size pulley you are purchasing. CNC machined from Aircraft Grade T6 6061 Aluminum. Complete bolt-on, no modifications required. No expensive/complicated tools required to purchase. Each kit includes 14mm Hex Head tool required for removal of stock pulley. Installation approx 2 hours. NOTE: Higher boost levels may require special tuning modifications for best results.