1 - 2.80 " 6 RIB LT4 TRUCK CONVERSION PULLEY AND HUB 7-8 PSI AVG.
All pulleys are raw machined aluminum. Pics are just for reference
ADM LT4 Truck pulleys work with 5.3 liter and 6.2 liter engines
Peak Boost will vary based on engine size and cam header combination