48 COMM UTIL exc 56 TON D D COE 49 53 ALL exc D D COE 53 55 COHV 6 cyl 54 57 ALL 6 cyl w pos vent exc COE CAP oil filler w gasket on r arm cover 3835665 1 45 37 48 ALL exc D D COE 55 57 PASS 6 cyl exc pos vent 55 57 COMM UTIL 6 cyl 2nd Ser exc 261 pos vent D D CAP ASSY crankcase air breather 2 O D 15522321 1 1 10 NOTE On COE it will be necessary to seal oil filler hole with sheet metal disc to provide clearance INOTE Used on all models equipped with valve rocker cover without ventilation slots 0 413 STUD B LT RElNFORCEMENT INQSULATOR Valve Rocker Cove and Support also see group 0 366 30 53 ALL CORV il 16 24 x 5ll and support 3835659 2 20 55 56 PASS 8 cyl w C A C 57 PASS 8 cyl w C A C and A T BOLT R H 20 x 2 O L 3718916 2 20 54 57 ALL CORV REINFOHCEMENT 6 LD x 1 O L 3836660 A R 05 34 53 ALL CORV INSULATOR rubber l D x O D 839083 2 10 0 423 GASKET Valve Rocker Cove 34 36 ALL exc DC c0rlk 25l 6 x 5 601160 1 65 37 53 ALL CORV corlc 27 x 5 ar g thick 3694248 1 75 37 53 ALL CORV cork 27 x 5 x M thick 3696781 1 90 54 57 ALL CORV 6 cyl cork 27 x 5 1 QQ thick 3708646 1 75 54 57 ALL CORV 6 cyl cork 27 x 5 x M thick 3708648 1 90 55 57 ALL CORV 8 cyl cork 19 x 42 Q x Ev thick 3711726 2 55 0 426 ROD Valve Push 34 36 ALL exc DC 131 long 837384 12 55 37 39 ALL 12 1 long 838409 12 65 40 53 ALL w 216 10 long 3835776 12 65 41 55 ALL 6 cyl exc 216 P G 53 55 CORV 6 cyl 10 long 3836261 12 65 50 52 PASS w P G 11 long 3835777 12 65 53 55 PASS 6 cyl w P G 56 57 ALL 6 cyl 111 long 3836260 12 65 55 57 ALL CORV 8 cyl 72 2 long 3837152 16 50 0 429 BALL UNIT SCREW NUT STUD Valve Push Rod Adjusting 55 57 ALL CORV 8 cyl BALL UNIT consists ct 16 each ball and nut 3745167 1 4 25 34 57 ALL CORV 6 cyl SCREW M 20 x 19 Q ball end 837385 12 15 34 57 ALL 6 cyl NUT M 20 124929 12 8 916 55 ALL CORV 8 cyl 56 57 PASS w C A C NUT pinch type ball nut hex lock 24 3836735 16 12 55 57 ALL CORV 8 cyl STUD valve rocker arm ball 003 0 5 24 x 2 3713065 16 20 55 57 ALL CORV 8 cyl STUD valve rocker a rn1 ball 013 0 5 24 x 2 3719800 A R 30 0 439 COVER Valve Push Rod 37 49 ALL 50 53 ALL w 216 9 x 26 Y overall 3835344 1 3 70 50 57 ALL CORV 6 cyl exc 216 5 x 27 dimple in center 3701541 1 1 85 0 443 GASKET Valve Push Rod Cover 34 36 ALL exc DC 919 3 x 25 overall 601278 1 60 37 49 ALL 50 53 ALL w 216 9 x 26 lg overall 602336 1 70 50 57 ALL CORV 6 cyl exc 216 5 x 27 w lobe on bottom 3701542 1 60 141 0 386 0 443