When your looking to maximize your valvetrain's performance, look no further than the Heavy Duty Series from Harland Sharp. Designed for high spring pressure and high lift geometry, Harland Sharp's Heavy Duty Series can withstand over 1000lbs of spring pressure. The wider body design is engineered to provide increased strength and longevity to your engines valvetrain. Independent tests have shown the Heavy Duty Series body can withstand over 10 tons of pressure before showing signs of stress. These rockers are for use in hardcore racing applications and highly modified performance engines. Rest assured though, the Heavy Duty Series from Harland Sharp will keep you running ahead of the competition.
Other features include, full needle bearing roller fulcrum, roller tip, and consistent ratios to reduce friction, wear, and to stabilize valve timing. The unique Friction Free Design gives you average gains of 15 to 40 HP. Made In The USA!