six summers now with lots of street miles with Hughes Racing hydraulic roller with Morel 5319 lifters, just make sure your lifter bores are within spec. if oval our out of spec have them bushed.

1970 Plymouth Cuda, 512cid on 230 400 block, 5 speed manual.(TKO 600)
1970 Dodge Charger 500, 446cid, 5speed manual.(TKO 600)
1969 Plymouth Roadrunner, 383cid, 5speed manual (Tremec TKX)