3 275 STUD BOL I NU T W Sl EIR Manifold ls see gircnups 3 288 and 8 981 38 49 ALL 39 50 D D COE exh mflcl ends to hd ezirh pipe lg int 53 59 CORVETTE to exh mtld 51 59 ALL 60 62 Ser 10 thru 30 exc D D exhaust i r0ss0 ver pipe 60 62 D D 62 63 ALL 6 cyl 63 Ser 10 D D 4 cyl muffler and eiclx pipe attach 62 63 ALL 8 cyl intake mninifoltzl 16 16 x lit 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 niaxi it0l t1 g 16 16 x 2 Q 838347 2 20 49 63 ALL CORVETTE 6 cyl 1 end th rea le 1 other end used as dowel 453 Ser 10 D D 4 cyl to line up maiiitruld it 16 x YY1 3835487 2 10 50 63 ALL 6 cyl exc D D COE 216 61 63 Ser 10 D D inlet 10 eirh rnanif 1d 153 55 CORVETTE 6 cyl inlet to curb 3 16 24 x 3 3798281 A R 3 288 153 55 CORVETTE 6 cyl inlet to exh m nit 1C1 M 16 16 x 3 3706097 2 25 155 56 ALL CORVETTE 8 cy1 16 16 J 2 3836174 A R 15 57 63 ALL CORVETTE 8 cyl exc dual 4BC crossovei to ei liau st rnanitold and pipe w 1 1 1 Cam and m 1ni1 0l L tc exli pipe t 16 16 x 3 3760426 A R 20 57 62 PASS CORVETTE w E1 accel and 1litt ttl 2 lever 1 18 thd 63 CORVETTE w E1 21gm O L 11 liei nut machined on stud 7014731 1 80 60 62 PASS 348 409 63 PASS 409 5 18 B 5 16 r 2 2 3774029 1 25 62 63 PASS CORVETTE 8 cyl exc E1 exhaust inanitczld missy 1t right front cen 3 CORVETTE w F I ter hate 2 L6 1 5 x 3 integral hex nut section M tram one end 3814568 1 25 63 Ser 10 D D 4 cyl 63 ALL 230 inlet and exhaust i Q 16 24 x 11 3792369 A R 3 288 55 56 ALL 8 cyl exc dual 4BC BOLT 16 x 11 3001 1 steel circle an 55 CORVETTE 8 cyl head exhaust manifold 1 3836646 12 10 56 PASS w dual 4BC 56 61 CORVETTE 57 62 ALL 283 327 348 62 CORVETTE exc H Per Sp H Per E1 63 PASS 283 327 63 Ser 10 20 283 BOLT 3 16 x 2 130 014 zssteel 3733130 A R 15 56 PASS w dual 4BC 56 60 CORVETTE 57 63 ALL 283 327 63 CORVETTE w Sp Per BOLT g 16 x 22 2 30014 steel 3733134 4 20 58 62 PASS 348 409 BOLT inl et hex r 16 x 1 1 300M 63 PASS 409 steel plai 1 3736035 A R 51 61 62 PASS 409 63 PASS 409 exc H Per dual 4BC BOLT 4 115 x 2 exh at lower holes 3814869 4 30 61 62 PASS 409 63 PASS 409 exc H Per dual 4BC BOLT 1 6 x 1 M x11 at upper holes 3814870 4 30 63 CORVETTE w E1 BOLT manifold o e r 7017235 6 155 63 PASS w H Per dual 4BC 409 BOLT exhaust i 1 E ix 2 2 3822922 4 30 ALL ALL CORVETTE NUT end stud and ex pipe flange it 16 x M thick brass 838780 4 09 55 63 ALL CORVETTE 8 cyl WASHER intake aud zezxh 2 ID x 1 O D x 4 thick 3836710 8 10 NOTE Also see H D Parts Secietioiri preceding 0 000 group tor pzriar model usage 3 278 FITTINGS Munifaultnil Vacuum Take Off uhm enema ginnuip 18 963 46 48 PASS TEE gearshilt vac cyl pipe and w s wiper 3 way thre ad a C1 3682937 1 10 155 50 54 PASS w P G w vac pump TEE w s wiper LQ 2411 x Hg 24x pipe thd 3694156 1 10 155 54 PASS w P B TEE vacuum pipe ta iulet manifold 3711152 1 10 155 54 55 UTIL w positive vent 1st Ser 54 55 UTIL 261 1st Ser 55 59 Ser 3 w positive vent 2nd Ser TEE w bra 1 e2 booster 22 quip 3708155 1 1 745 55 57 PASS wVP B 8 cyl exc SDL vv elect w s wiper TEE w tube va c pipe to carb 3718911 1 4 931 8 J i Mm Division 4 3 275 3 278 General Nlotors Corporation