0 308 SEAL SI IIEI D Valve Spring Gap Ser 10 thru 60 O ring inlet and exhaust A 3835333 A R Ser 70 80 348 O ring inlet and exhaust t 3756314 16 Ser 10 thru 60 8 cyl 4 SHIELD cup shape I D x 1 O D 3836755 16 Ser 70 80 A 4 SHIELD 4 3732891 16 NOTE Previously released 0 309 GAP ROTATOR ASSY Valve Spring Ser 10 thru 60 6 cyl inlet Ser 10 thru 40 6 cyl exhaust 1 dia 0 8O thick 3835392 A R Ser 10 thru 60 8 cyl inlet Ser 10 thru 40 8 cyl exhaust 1 O D st mped H 3729363 A R Ser 70 80 348 inlet and exhaust 1 O D 3747309 16 Ser 50 60 6 cyl ROTATOR ASSY exhaust valve stamped RC 3739410 6 Ser 50 60 283 ROTATOR ASSY exhaust valve stamped RC 3739412 8 Ser 70 80 348 ROTATOR ASSY exhaust valve 11 O D 3735275 8 NOTE Previously released 0 310 KEY Valve Stem Ser 10 thru 60 U shape 838029 A R Ser 70 80 3747310 32 NOTE Previously released 0 333 ARM Valve Rocket with Adjusting Screw and Nut Ser 10 thru 60 283 inlet and exhaust dab of blue paint 3746241 16 Ser 70 80 348 inlet and exhaust dab of blue paint 3732765 16 Ser 10 thru 60 6 cyl inlet lett cast 3764485 3764489 3 Ser 10 thru 60 6 cyl inlet right cast 3764486 3764490 3 Ser 10 thru 60 6 cyl exhaust left cast 3764487 3764481 3 Ser l0 thru 60 6 cyl exhaust right cast 3764488 3764482 3 NOTE Previously released 0 349 SUPPORT Valve Rocker Arm Shaft Ser 10 thru 60 6 cyl cast 3836114 3836114 6 NOTE Previously released 0 353 SHAFT Valve Rocker Arm with Plug see group 1 531 for Fittings Ser 10 thru 60 6 cyl 2 grooves on plug end 3836138 2 NOTE Previously released 0 356 PLUG Valve Rocker Shaft Ser 10 thru 60 6 cyl O D cup shaped 835560 2 NOTE Previously released 0 376 SPRING Valve Rocker Shaft Ser 10 thru 60 6 cyl free length 837253 4 Ser 10 thru 60 6 cyl retainer hairpin l length 355936 0 837 A R Ser 10 thru 60 6 cyl 2 tree length 3835508 4 NOTE Previously released 0 386 0VER COVER UNIT Valve Rocker Arm Ser 10 thru 60 27 O L n 3758661 1 Ser 10 thru 60 283 COVER UNIT right or left 81 outer hole spacing 3772668 1 Ser 70 80 348 COVER UNIT right or left 3759968 I NOTE Previously released l il3E t Motor Division General Motors Corporation TRUCK MODEL CATALOG