locks locks valve valve train kit spring kit timing pushrods rocker ... cam needs 5 speed or mild stall in 302 cubic inch applications requires ... street or mild strip applications in 302-351 cubic inch motors needs 2500-3000 rpm ... and 4.10 gearing or better rods cranks enginekits 77034 73815k5lun 93091 80766 83274 ... and increased hp for mild performance rebuilds compatible with stock type fuel ...