56 PASS CORV w dual 4BC A 57 PASS CORV w H L Cam 030 O S stamped 30 3734977 8 2 50 57 2 TON 8 cyl w two groove stem l2 dia head alum inized 3735208 8 1 30 57 2 TON 8 cyl 003 O S stamped 3 I 3739242 8 2 05 57 2 TON 8 cyl 015 O S stamped 15 3739244 8 2 05 57 2 TON 8 cyl 030 O S stamped 30 3739246 8 2 05 W tNOTE Requires 3835392 Cap and 3835333 Seal Note Identified by swirl polish under head and thin necked stem 0 297 VALVE Exhaust 35 40 ALL w one groove stem hd marked 39 EX X 838717 6 1 30 41 49 ALL w two groove stem 30 seat 38353181 6 1 30 50 53 PASS 50 55 COMM 1 TON 6 cyl exc D D hvy duty 235 lst Ser 54 PASS exc P G w two groove stem 45 seat 3835639 6 1 30 50 54 2 TON 55 56 ALL CORV exc dual 4BC 57 ALL CORV exc H L Cam w 2 groove stem MS 201 45 seat 3731212 A R 1 85 54 PASS w P G 55 PASS 6 cyl exc P G 55 COMM 11 TON exc D D hvy duty 2nd Ser w two groove stem conc hd 45 seat 3836026 6 1 70 56 PASS CORV w dual 4BC 57 PASS CORV w H L Cam STD 3730859I 8 2 20 55 56 ALL CORV 8 cyl exc dual 4BC 57 ALL CORV 8 cyl exc H L Cam 003 O S stamped 3 3732758 8 2 25 56 PASS CORV w dual 4BC 57 PASS CORV w H L Cam 003 O S stamped 3 37349711 8 2 60 55 56 ALL CORV 8 cyl exc dual 4BC 57 ALL CORV 8 cyl exc H L Cam 015 O S stamped 15 3732759 8 2 50 56 PASS CORV w dual 4BC 57 PASS CORV w H L Cam 015 O S stamped 15 37349721 8 2 70 55 56 ALL CORV 8 cyl exc dual 4BC 57 ALL CORV 8 cyl exc H L Cam 030 O S stamped 30 3732760 8 2 50 56 PASS CORV w dual 4BC 57 PASS CORV w H L Cam 030 O S stamped 30 37349731 8 2 70 TN OTE Requires 3835392 cap and 3835333 seal INOTE Identified by swirl polish under head and thin necked stem 0 303 SPRING SHIM Valve 38 53 ALL 54 55 ALL 6 cyl exc P G 261 aluminum yellow or bronze 3835626 12 50 53 55 CORV 6 cyl inlet and exhaust inner 2 free length 3836132 12 20 54 55 ALL 6 cyl w P G 261 56 57 ALL 6 cyl dark brown or red oxide 3836640 12 55 55 56 ALL 8 cyl exc 2 TON dual 4BC 57 PASS w 265 57 Ser 3 4 6 8 cyl inlet and exhaust 55 56 Ser 6 8 cyl inlet 21Q O L x M LD 3836331 A R 50 55 PASS 8 cyl exhaust w 3836835 rotator 55 56 2 TON 8 cyl exhaust 11 O L x I D 3836834 8 50 55 57 2 TON8cyl exhaust and inlet valve spring and 56 PASS 8 cyl w P G exc dual 4BC damper 3732814 16 70 53 55 CORV 6 cyl inlet and exhaust 2 free length white or pink 3836133 12 40 55 56 CORV 56 PASS w dual 4BC 57 PASS w 283 valve w damper 3837002 16 80 55 57 ALL CORV 8 cyl exc H L Cam SHIM QQ I D x 11 O D x LQ thick 3731058 A R 05 55 57 ALL 8 cyl 56 57 CORV w H L Cam 57 PASS w H L Cam SHIM 5 1 D x 1 O D x 1 5 thick 3731721 A R 05 NOTE Use w 3732416 Rotator and 3727041 Cap Also used on 1956 Ser 4 w H D 8 cyl engine NOTE Also used on 1955 Pass when High Lift Camshaft has been installed 0 296 0 303 138