Lunati has taken an OEM cast steel replacement rocker arm body and added a captured roller trunnion for use in extreme street and race applications. The captured roller trunnion increases stiffness and durability and is NASCAR proven.



Lunati LS Retro-Fit Rocker Arms, 1.7:1 (GM LS1, LS6 & LS2)
http://www.coloradospeed.com/lunati-...2-p-20404.html

Lunati LS Retro-Fit Rocker Arms, 1.7:1 (GM LS3)
http://www.coloradospeed.com/lunati-...3-p-20405.html