Cylinder Head Oversize Valve Seat Insert - Installation (2-05) Section 2 - Cylinder Head - Group 02 M11 Page 2-24 Cylinder Head Oversize Valve Seat Insert - Installation (2-05) Valve seat inserts that are oversize on both the outside diameter and thickness are available to repair cylinder heads that are worn or damaged in the valve seat insert counterbore. The insert bore depth and inside diameter of the standard and oversize valve seat inserts are listed below. For complete instructions for machining the count- erbore for oversize inserts, refer to the Alternative Repair Manual, Bulletin No. 3810310. The valve seat insert cutter set, Part No.
3376595, con- sists of the oversize cutters listed below. Cylinder Head Valve Insert Bore Depth Nominal Valve Seat Inserts Cylinder Head Valve Insert Bore Diameter Nominal Valve Insert Part No. Valve Seat Insert Cutter Part No. Valve Insert O.D.
Oversize Valve Insert Thickness Oversize 3027060 STD 9.45 mm 45.920 mm STD mm STD mm 0.344 in 1.8079 in STD in STD in 3028071 3376596 8.75 mm 46.170 mm 0.25 mm STD mm 0.344 in 1.8177 in 0.010 in STD in 3028072 3376597 8.88 mm 46.420 mm 0.50 mm 0.13 mm 0.349 in 1.8276 in 0.020 in 0.005 in 3028073 3376598 9.00 mm 46.670 mm 0.75 mm 0.25 mm 0.354 in 1.8374 in 0.030 in 0.010 in 3028074 3376599 9.13 mm 46.920 mm 1.00 mm 0.38 mm 0.359 in 1.8472 in 0.040 in 0.015 in