HPD

Engine parts in the nature of engine retarders and parts thereof, namely, housing assemblies, cover spacers, control valves, spool valves, solenoid valves, master pistons, slave pistons, automatic clearance adjusters, resets, clip valves, anti-rotation pins, control modules, relays, clutch switches, pump switches sold as a unit, hydraulic tappets, rocker arms, push tubes, springs, hydraulic fluid accumulators, valve bridges, and poppet valve actuators; engine parts in the nature of engine retarders for land vehicles and parts thereof, namely, housing assemblies, cover spacers, control valves, spool valves, solenoid valves, master pistons, slave pistons, automatic clearance adjusters, resets, clip valves, anti-rotation pins, control modules, relays, clutch switches, pump switches sold as a unit, hydraulic tappets, rocker arms, push tubes, springs, hydraulic fluid accumulators, valve bridges, and poppet valve actuators

Engine retarders for land vehicles and parts thereof, namely, housing assemblies, cover spacers, spool valves, automatic clearance adjusters, resets, clip valves, anti-rotation pins, relays, clutch switches and pump switches all sold as a unit, hydraulic tappets, rocker arms, push tubes, springs, hydraulic fluid accumulators, valve bridges and automatic clearance adjusters