46 48 BUS CPE SDL 11 length overall closed pipe ext 49 53 COMM UTIL CABS and int 20 int 3681215 1 1 25 46 54 CONV CONNECTOR frt feed pipe to rear feed pipe 3668991 1 65 53 54 CORV TEE l8 pipe thread 3706577 1 75 53 57 CORV TEE 20 3 openings 173182 1 8 963 3 265 MANIFOLD GUARD PLUG Engine Intake exhaust manifold in group 3 601 37 39 ALL exc COE cast 839005 604112 1 6 10 NOTE When using 604112 on 1937 38 jobs remove outer pipe plug when using on 1939 jobs remove inner pipe plug for w s wiper connections 39 49 D D COE cast 3835442 3690881 1 13 65 40 49 ALL exc D D COE 50 53 ALL w 216 cast 3835395 3835527 3691933 1 9 35 50 57 ALL 6 cyl exc 216 D D COE 57 D D 2 TON cast 3835590 3694163 1 9 35 50 55 COE 50 57 D D 6 cyl exc 2 TON cast 3835582 3835581 1 16 70 53 55 CORV 6 cyl 3836071 1 51 20 55 ALL 8 cyl exc 4BC H T cast 3704790 3711632 1 21 30 55 PASS CORV w 4BC cast 3711348 3717211 1 22 70 55 COMM 8 cyl w H T 56 ALL 8 cyl exc 4BC dual 4BC H T 3732010 1 21 30 56 PASS CORV w 4BC 3738184 1 22 70 56 PASS CORV w dual 4BC 3734135 1 66 15 56 ALL 8 cyl w H T 3837114 1 22 70 57 ALL 8 cyl exc 4BC dual 4BC H T 3740930 1 21 30 57 PASS CORV w 4BC 3740929 1 21 30 57 PASS CORV w dual 4BC 3741029 1 65 15 57 ALL 8 cyl w H T 3740931 1 21 30 56 57 ALL CORV 8 cyl exc dual 4BC GUARD oil splash to manifold 3735442 1 70 55 ALL 8 cyl 56 57 ALL CORV 8 cyl GUARD oil splash to manifold 3735442 1 70 56 57 PASS CORV w dual 4BC GUARD oil splash attaches to manifold w drive studs 3728168 1 60 53 55 CORV 6 cyl PLUG expansion intake manifold 1 alum 107380 2 8 970 3 270 GASKET UNIT Manifold 1 center 2 end gaskets and 1 exh pipe packing 37 49 ALL exc Gl GK g 51 52 PASS exc P G 53 SDL 602483 1 90 49 50 PASS exc P G 50 53 COMM UTIL w 216 3692351 1 85 50 ALL w 235 51 57 COMM UTIL 6 cyl exc 216 3694871 1 85 51 52 PASS w P G 53 PASS exc SDL 53 55 CORV 6 cyl 54 57 PASS 6 cyl 3707045 1 90 55 56 ALL CORV 8 cyl exc dual 4BC intake 2 TON to 9 1 55 3711676 1 1 60 55 ALL CORV 8 cyl 56 ALL 8 cyl exhaust 37116Z St 2 55 55 56 2 TON 8 cyl 56 1 TON 8 cyl hvy duty intake 2 TON after 9 1 55 373387863 1 1 60 56 PASS CORV w dual 4BC 57 ALL CORV 8 cyl exc Ser 6 intake 3734115 1 1 60 57 Ser 6 8 cyl intake 3742195 1 1 95 NOTE Consists of 1 front 1 rear 1 distributor and 2 side gaskets TNOTE For R H installation 1 extra gasket required 3711569 group 3 611 r 69NOTE Consists of 2 side 1 front and 1 rear gasket and 1 distributor gasket 3 272 GASKET Intake to Exhaust Manifold 37 49 ALL exc D D COE 50 53 ALL w 216 3 x 4 overall 838290 1 20 39 57 D D 6 cyl exc 2 TON 39 55 COE 3 x 7 overall 596268 1 20 3 164 3 272 266