W2 econo heads 208/160 valves Norris roller rockers, Smith Bros pushrods. Comp Cam solid roller cam XR274R 236/242@50 564/570 lift. Comp roller lifters.Billet hold downs chrome shafts. Mopar Performance M1 intake. Holley 750 dp with billet base & metering blocks. MP polished valve covers. TTI w2...