FEATURES A LIGHT WEIGHT 1 PIECE STEEL BODY DESIGN. THESE ARE 1.850" PIVOT LENGTH AND 2.20 RATIO. THE PUSHROD END CUP IS SOLID AND NOT PRESSURE FED. THESE STRAIGHT BODY ROCKERS ARE VERY VERSITLE AND CAN BE USED ON THE SB2.2, FORD, DODGE AND SO ON IF YOU HAVE THE CORRECT STANDS.