63 ALL 230 A 4 t 12 3788496 2 1 05 63 Ser 10 D D 4 cyl 4 holes 3788548 1 1 35 63 Ser 10 thru 30 292 3789547 2 1 25 0 443 GASKET Valve Push Rod Cove 38 49 ALL 50 53 ALL 216 9 2 26 O L 602336 1 80 50 62 ALL CORVETTE 6 cyl exc 216 5 sr 27 w lobe on bottom 3701542 1 70 63 ALL 230 l22 i O L 3788497 2 40 63 Ser 10 D D 4 cyl 17 O L 3788549 1 50 63 Ser 10 thru 30 292 12 O L 3789548 2 45 0 446 GASKE l BOL l Valve Push Rod Clover 38 49 ALL 50 53 ALL 216 spark plug hole 1 1 D x 11 O D x 11 2 thiczk cork 3835246 6 07 63 Ser 10 thru 30 6 cyl 63 Ser 10 D D 4 cyl w loczlcwasher and seal 3814350 A R 07 0 459 TAPPET Valve er Lifter 38 39 ALL 838774 12 1 05 40 53 ALL 216 w rod neat white paint spot 839263 12 1 50 41 55 ALL 235 exc P G w rod seat yellow paint under rod seat 3660438 12 1 50 50 53 PASS w P G hydraulic type HL 16 one piece body hole in seat 52530650 12 2 75 53 55 CORVETTE 6 cyl mechanical type single groove around 54 55 UTIL 261 lst Ser body 3836342 12 1 50 54 55 PASS w P G 6 cyl hydraulic type HL 18 two piece body 56 58 PASS 6 cyl exc 58 TAXI hole in body 52131450 12 2 75 55 56 PASS CORVETTE 8 cyl mechanical type two piece b0dy hole in body 2 grooves 5231315 16 1 70 56 59 Ser 3 6 cyl 60 62 Ser 10 thru 30 6 cyl mechanical type 2 long two piece 60 61 FLEETMASTER 6 cyl exc P G body 5231880 12 1 5 C 55 61 ALL CORVETTE 8 cyl exc H L Cam H Per Sp H Per 61 PASS 348 exc H Per w H L Cam Sp Hp Per 62 63 ALL CORVETTE 283 327 exc Sp H Per F 1 hydraulic type HL 39 two piece body 63 ALL 6 cyl reduced dia unmachined surface at top 63 Ser 10 D D 4 cyl of body w one groove at upper end 3799644 A R 2 60 57 58 PASS CORVETTE w H L Cam exc A T 59 PASS l I w I 1 L Cam 283 exc A T mechanical type two piece body 2 holes 59 63 CORVETTE w H L Cam in body sing1e groove around body 5231585 16 1 95 59 60 PASS w H L Cam H Per 348 60 61 PASS w Sp H Per 348 mechanical type two piece body hole 61 62 PASS 409 in body 2 long 5232177 16 2 15 58 TAXI w 3752735 Cam 6 cyl hydraulic type HL 31 two piece body 59 62 PASS 6 cyl exc Fleetmaster w 3 SPD hole in body copper plated seat 5231830 12 2 75 63 PASS 409 mechanical type 2 piece body one Zigi dia hole in groove of body 5232215 16 2 15 NOTE Refer to TSB 693 dated 3 2 61 for further clarification of usage and adjustment 0 519 CAMSHAFT NOTE Engine Camshaft Break in Oil 3755788 Group 1 850 should be used when installing new camshafts 38 53 ALL 216 forged 838733 w ring and key 3836491 1 24 80 41 53 ALL 235 exc P G forged 3836023 2 grooves between 5 and 6 inlet cams 3836490 1 24 80 glxdggit Motor Division General Motors Corporation