Description: Small-block power, small-budget price. Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy--up to 30 horses over stock, according to World Products. These cast iron heads feature power-building 170cc intake runners, dual-pattern raised, leak free valve cover rails, screw-in rocker arm studs, 2.02 in. intake/1.60 in. exhaust valves, umbrella(more)

Description: Small-block power, small-budget price. Bolt on a set of affordable World Products S/R Torquer heads and add some serious muscle to your small block Chevy--up to 30 horses over stock, according to World Products. These cast iron heads feature power-building 170cc intake runners, dual-pattern raised, leak free valve cover rails, screw-in rocker arm studs, 2.02 in. intake/1.60 in. exhaust valves, umbrella valve seals, 1.250 in. valve springs, and 7 degree retainers and locks. (minimize)