3 275 STUI BOLT NUT WASHEH Manzifold also see groups 3 288 and 8 981 38 49 ALL 39 50 D D COE exh mfld ends to hd exh pipe flg int 53 59 CORVETTE 4 to exh mtld 51 59 ALL 60 62 Ser 10 thru 30 exc D D exhaust crossover pipe 60 62 D D 62 63 ALL 6 cyl 63 Ser 10 D D 4 cyl muffler and exh pipe attach 62 63 ALL 8 cyl intake manifold l6 16 x 1 3760425 A R 15 38 49 ALL 50 52 ALL 216 53 SDL COMM UTIL 54 62 D D COE 6 cyl exc 102 W B int to exh manitolcl 16 16 x 2 838347 2 20 49 63 ALL CORVETTE 6 cyl 1 end threaded other end used as dowel 63 Ser 10 D D 4 cyl to line up manifol d l6 x 29 3835487 2 10 50 63 ALL 6 cyl exc D D COE 216 61 63 Ser 10 D D inlet to exh manifold 53 55 CORVETTE 6 ceyl inlet to carb l 6 24 x 31 3798281 A R 3 288 53 55 CORVETTE 6 cy1 inlet to exh manifold 16 16 x 31 3706097 2 25 55 56 ALL CORVETTE 8 cyl i 16 16 x 2 3836174 A R 15 57 63 ALL CORVETTE 8 cyl exc dual 4BC crossover to exhaust manifold and pipe w H L Cam and manifold to exh pipe 16 16 it 3 3760426 A R 20 57 62 PASS CORVETTE w F 1 accel and throttle lever l8 thd 63 CORVETTE w F l 274 O L 7 Q hex nut machined on stud 7014731 1 80 60 62 PASS 348 409 63 PASS 409 54 18 16 x 2 3774029 1 25 62 63 PASS CORVETTE 8 cyl exc F 1 exhaust manifold assy at right front cen 63 CORVETTE w F I ter hole 1 i l6 x 3 2 integral hex nut section Q from one end 3814568 1 25 63 Ser 10 D D 4 cyl 63 ALL 230 inlet and exhaust 16 24 x 11 3792369 A R 3 288 55 56 ALL 8 cyl exc dual 4BC BOLT l6 x 1 30OM steel circ1e on 55 CORVETTE 8 cyl head exhaust manifold 3836646 12 10 56 PASS w dual 4BC 56 61 CORVETTE 57 62 ALL 283 327 348 62 CORVETTE exc H Per Sp HYPer F 1 63 PASS 283 327 63 Ser 10 20 283 BOLT l 6 x 2 300M steel 3733130 A R 15 56 PASS w dual 4 BC 56 60 CORVETTE 57 63 ALL 283 327 63 CORVETTE w Sp Per BOLT l 6 x 227qQ 30OM steel 3733134 4 20 58 62 PASS 348 409 BOLT inlet hex 16 x 1 300M 63 PASS 409 steel plai n 3736035 A R 51 61 62 PASS 409 63 PASS 409 exc H Per dual 4BC BOLT l6 x Zl exh at lower holes 3814869 4 30 6 62 PASS 409 63 PASS 409 exc H Per dual 4BC BOLT l 6 x 1 exh at upper holes 3814870 4 30 63 CORVETTE w F 1 BOLT manifold cover 7017235 6 55 63 PASS w H Per dual 4BC 409 BOLT exhaust 16 x 219 3822922 4 30 ALL ALL CORVETTE NUT end stud and exh pipe flange 16 x thick brass 838780 4 09 55 63 ALL CORVETTE 8 cyl WASHER intake and exh 0 I D x 1 O D x thick 3836710 8 10 NOTE Also see H D Parts Section preceding 0 000 group for prior model usage 3 278 FITTINGS Manifold Vacuum Take Off also see group 8 963 46 48 PASS TEE gearshift vac cyl pipe and w s wiper 3 way threaded 3682937 1 10 155 50 54 PASS w P G w vac pump TEE w s wiper 24 1 24x pipe thd 3694156 1 10 155 54 PASS w P B TEE vacuum pipe to inlet manifold 3711152 1 10 155 54 55 UT1L w positive vent lst Ser 54 55 UTIL 261 lst Ser 55 59 Ser 3 w positive vent 2nd Ser TEE w brake booster equip 3708155 1 1 745 55 57 PASS w P B 8 cyl exc SDL w elect w s wiper TEE w tube vac pipe to carb 3718911 1 4 931 gligxlgfgat Motor Division General Motors Corporation