69 70 Ser 10 thru 30 Blazer 07 327 350 exc L P 70 G 02 0 307 3957985 1 2 40 GASKIET UNIT inlet 2 front 2 side 1 rear 1 distributor 69 70 Ser 10 thru 30 Blazer w L P Gas 350 3957986 1 2 65 GASKET UNIT inlet manifold 3 272 GASKET Intake to Exhaust Manifold 38 49 All exc D D 50 53 All 216 838290 1 20 3 r x 4l O L 39 62 D D 6 cyl exc 102 W B 5962 68 1 25 3 x i Vz O L 50 62 All 6 cyl exc D D 216 61 62 Ser 10 D D 63 Ser 10 4 WD 1st Ser 3835572 1 25 3V l wide on I D 4 holes 63 70 All Blazer 6 cyl 63 66 Ser 10 D D G 10 4 cyl 3788485 1 25 3 273 CLAMP SLEEVE Manifold 38 49 All 838546 10 20 inlet and exhaust 49 62 All 6 cyl 63 Ser 10 20 4 WD 1st Ser 3835424 2 25 end U2 O L 50 62 All 6 cyl 3835505 4 25 center 2 O L 63 70 All Blazer 6 cyl 63 65 Ser 10 D D 4 cyl 3823035 2 25 at exhaust ports 63 70 All Blazer 6 cyl 63 65 Ser 10 D D 4 cyl 64 66 G 10 3792519 4 25 inlet and exhaust 39 49 All 50 53 All 216 837273 3 15 SLEEVE intake manifold to cyl head 1 z O D closed x wide 50 62 All 6 cyl exc 216 3835506 3 20 SLEEVE intake manifold to cyl head 1 z 0 D closed x wide 3 275 STUD BOLT WASHER Manifold Also see groups 3 288 manifold to carb 3 613 manifold to exh pipe and 8 981 38 53 Comm A 54 62 D D 6 cyl exc 102 W B 838347 2 25 init to exh manifold 16 16 x 2 38 70 All Blazer 3760425 A R 20 inlet manifold 16 16 x 2 6 49 70 All Blazer 6 cyl 63 65 Ser 10 D D G 10 4 cyl 3835487 2 35 I eind threaded other end used as dowel to line up l T1llld Vs l 6 X zyzznl 50 70 All Blazer 3760426 1 25 inlet manifold 16 16 x 3 50 62 All 6 cyl exc D D 216 58 59 D D 3798281 2 20 intake to exh manifold 16 24 x 3 3 288 61 63 Ser 10 D D exh manifold R H 66 Ser 10 w A l R 283 exc D D 67 Ser 10 20 w A l R 8 cyl 3841723 1 40 exhaust R H frt hole 16 x 4V 62 70 2 cyc Diesel 511 6127A R 1 1 Um 14 20 x 2Vl 63 65 All 6 cyl 63 64 Ser 10 D D 4 cyl 3792369 2 15 inlet and exhaust 16 24 x 1 3 288 63 64 Ser 20 30 65 66 Ser 20 30 283 327 67 Ser 10 thru 30 8 cyl exc A l R 68 Ser 20 30 D D 307 327 rnfld attach on L H frt hole 69 Ser 10 thru 30 Air Cond w A T exc A l R 396 70 Ser 20 30 D D 8 cyl i3951486A R 1 05 inlet imanifold 1 and 2 R H front hole 16 x V 2 67 68 Ser 10 thru 30 G 10 20 283 307 327 left exh manifold rear ctr hole A 70 Ser 10 thru 30 8 cyl exh manifold left No 4 hole 70 Ser 20 30 D D 8 cyl 33937247 1 1 30 left exh manifold No 3 hole frt 68 70 Ser 10 thru 30 396 69 Ser 10 20 w Air Cond 3928906 1 20 exh manifold 1 and 3 R H hole T 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 1 REV 6 71 3 11 3 270 3 275