D330, D333, 3304, 3306 – Valve Rocker Arms And Lifters Specifications


(1) Bore in bearing for shaft (new) … .7263 ± .0005 in.(18.448 ± 0.013 mm)

Diameter of shaft (new) … .7245 ± .0005 in.(18.402 ± 0.013 mm)

Maximum permissible clearance between bearing and shaft (worn) … .008 in.(0.20 mm)

(2) Torque for lock nut on valve adjustment screw … 21 ± 5 lb. ft.(2.9 ± 0.7 mkg)

(3) Clearance for valves:

Intake valves … .015 in.(0.38 mm)

Exhaust valves … .025 in.(0.64 mm)

(4) Diameter of valve lifter … 1.3105 ± .0005 in.(33.287 ± 0.013 mm)

Bore in block for valve lifter … 1.3145 ± .0010 in.(33.388 ± 0.025 mm)

Maximum permissible clearance between lifter and bore for valve lifter (worn) … .010 in.(0.25 mm)

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