0 293 BOL 1 STUD Cylinder Head 38 62 ALL CORVETTE 6 cyl v v long 2 13 x 4 r ised circle on Hd 3835811 A R 4O 38 62 ALL CORVETTE 6 cyl short 13 x 3 g raised circle on Hd 3835812 A R 30 55 63 ALL CORVETTE 8 cyl exc 348 409 short 14 x 1 3704796 16 15 55 63 ALL CORVETTE 8 cyl exc 348 409 long 14 x 3 circle on top of head 3734594 A R 15 L 55 59 ALL 6 cyl l3 x 4 drilled 3764578 1 50 58 62 D D exc Ser 10 short lrt LH l3 x 24 x 4 3741531 1 1 55 58 63 PASS 348 409 long 14 x 4 3735721 20 30 58 63 PASS 348 409 short 14 x 3 3735722 16 20 59 63 ALL CORVETTE 8 cyl late design exc 348 409 medium M 14 x 3 circle on top of head 37674681 4 15 63 Ser 10 D D 4 cyl 63 ALL 6 cyl 7 l3 x 33161 3788417 A R 30 60 62 PASS wr P S 6 cyl STUD short 6 20 l3 x 41 3786965 2 35 NOTE Required when any 1959 6 cyl block or short motor is installed in 1955 58 models Reduces full pressure oilinq to restricted flow Also requires PLUG 3764579 in group 1 531 at right hand center bolt location TNOTE Use with cylinder head with cast in oil trough on outer edge I 0 296 VALVE Inlet Refer to following Chart tor Model Application Part List Part List Part List Part List Part List No Price No Price No Price No Price No Price 838437 1 35 3739242 3774052 1 50 3777290 3 60 3817916 4 25 3688065 1 35 3739244 3774685 3777291 3 60 3817917 4 25 3715622 1 80 3739246 3774695 2 15 3781155 3 60 3817918 4 25 3715623 1 80 3741942 2 40 3774819 3 00 3781179 4 10 3835519 1 35 3715624 1 80 3741943 2 40 3774820 3 00 3781180 4 10 3734975 2 45 3741944 2 40 3774821 3 00 3781181 4 10 3734976 2 75 3747307 1 55 3776968 3 10 3814691 3 75 3734977 2 90 3765095 2 55 3777289 3 60 3815082 1 50 VALVE CHART Inlet STD 003 O S 015 O S 030 O S 38 40 ALL 838437 41 49 ALL 50 53 ALL 216 3688065t 50 52 ALL 235 3835519 53 62 ALL CORVETTE 6 cyl 3815082 55 56 ALL CORVETTE 8 cyl exc dual 4BC 57 59 ALL CORVETTE 8 cyl exc H L Cam 348 60 61 ALL CORVETTE 283 exc H L Cam 62 63 ALL CORVETTE 283 327 exc H Per Sp H Per F 1 63 Ser 10 D D 4 cyl 63 ALL 230 3774052 3715622 3715623 3715624 56 PASS CORVETTE wfdual 4BC 57 59 PASS CORVETTE w H L Cam 283 60 61 CORVETTE dual 4BC w H L Cam 60 CORVETTE F I w H L Cam 3774695 3734975 3734976 3734977 58 60 PASS 348 exc H Per Sp H Per 61 PASS 348 exc H Per w req cam Sp H Per 3747307 3741942 3741943 3741944 59 60 PASS w H Per 348 3776968 3777289 3777290 3777291 60 61 PASS w Sp H Per 348 61 PASS H Per w reg cam 348 61 PASS 409 early design 3781 155 3781 179 3781 180 3781 181 61 CORVETTE w F 1 62 63 PASS w H Per 327 62 63 CORVETTE w H Per Sp H Per F 1 3765095 3774819 3774820 3774821 61 63 PASS 409 late design 3814691 3817916 3817917 3817918 63 Ser 10 thru 30 292 3774685 3739242 3739244 3739246 TNOTE Requires 3835392 Cap and 3835333 Seal NOTE Identified by swirl polish under head and thin necked stern 0 292 0 296 96 C 1 M General Motors Corporation