MED 998 ROLLER ROCKER SET (1.3)

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.