Non-Roller Adjustable Rocker Systems (Cast Iron Applications)
Fits all 400-425-455 big blocks. 9.700″ x 5/16 pushrods. This kit is an adjustable rocker arm system (non-roller) for adjusting your valves. For street use only, no more than .500″ lift, no more than 320 lbs. open spring pressure, and no machine work needed. Fits under stock valve covers. This kit eliminates the costly replacement of stock rocker arms and rocker pivots. Kit includes: Stamped steel 1.6:1 ratio rocker arms and rocker balls, 3/8″ x 5/16″ screw in studs, 5/16″ guide plates, chrome moly pushrods, 3/8″ heat treated poly locks for positive adjustment. Oil restricted pushrods can be substituted for an additional $129.00 (all ‘A’ heads must be drilled to 7/16″ to accept our RAK rocker kits).
Fits all 330-350-403 small blocks (except #2 heads). 8.400″ x 5/16pushrods. This kit is an adjustable rocker arm system (non-roller) for adjusting your valves. For street use only, no more than .500″ lift, no more than 320 lbs. open spring pressure, and no machine work needed. Fits under stock valve covers. This kit eliminates the costly replacement of stock rocker arms and rocker pivots. Kit includes: Stamped steel 1.6:1 ratio rocker arms and rocker balls, 3/8″ x 5/16″ screw in studs, 5/16″ guide plates, chrome moly pushrods, 3/8″ heat treated poly locks for positive adjustment. Oil restricted pushrods can be substituted for an additional $129.00.
Fits all early 307 non-roller cam 1980-1984. 8.400″ x 5/16pushrods. 8.400″ x 5/16pushrods. This kit is an adjustable rocker arm system (non-roller) for adjusting your valves. For street use only, no more than .500″ lift, no more than 320 lbs. open spring pressure, and no machine work needed. Fits under stock valve covers. This kit eliminates the costly replacement of stock rocker arms and rocker pivots. Kit includes: Stamped steel 1.6:1 ratio rocker arms and rocker balls, 3/8″ x 5/16″ screw in studs, 5/16″ guide plates, chrome moly pushrods, 3/8″ heat treated poly locks for positive adjustment. Oil restricted pushrods can be substituted for an additional $129.00.
Fits all late 307 roller cam 1985-1990. 7.900″ x 5/16 pushrods. This kit is an adjustable rocker arm system (non-roller) for adjusting your valves. For street use only, no more than .500″ lift, no more than 320 lbs. open spring pressure, and no machine work needed. Fits under stock valve covers. This kit eliminates the costly replacement of stock rocker arms and rocker pivots. Kit includes: Stamped steel 1.6:1 ratio rocker arms and rocker balls, 3/8″ x 5/16″ screw in studs, 5/16″ guide plates, chrome moly pushrods, 3/8″ heat treated poly locks for positive adjustment. Oil restricted pushrods can be substituted for an additional $129.00.
