MED roller-tip rockers give far more consistent valve lift across the head than the standard rockers, with an enlarged rocker shaft and adjusters for extra strength.

Cylindrically-ground rollers in the arm tips reduce side-loading of the valve stems to improve valve and guide longevity, while also reducing friction.   

A host of unique design features equate to the highest quality 1.3:1 roller-tip rockers on the market. They're trusted by leading engine builders worldwide for all performance A-Series, mild road to full race.  

• Uprated 17mm diameter rocker shaft for greater surface contact between the shaft and rocker arms.

• CNC-machined heavy-duty 7075 aluminium rocker arms for extremely precise valve lift across the head.

• High quality steel rocker posts, chemically black coated.

• Enlarged 3/8-inch UNF rocker adjusters with lightweight aerospace 'K' lock nuts.

• 3/16-inch hex socket adjustment in place of the regular flat-blade screwdriver slot.  

• Fully assembled with alloy rocker spacers, end washers and split pins.