66 Ser 10 w A l R oil bath exc D D gov 283 3889197 1 85 V 20 20 x GV 67 70 2 cyc Diesel 3906333 1 3 90 air cleaner and silencer 67 70 All Blazer 3951397 1 90 air cleaner and silencer 18 18 x 8 68 70 All Blazer 3931957 1 50 71 18 18 x 5V 68 Ser 10 thru 30 w 2BC 396 3853873 1 55 V 20 x 17 Note 2 NOTE 2 It may be necessary to use 2 V 20 nuts as shoulder 69 Ser 10 thru 30 w L P Gas exc oil bath D D 3957472 1 1 30 a cl and silencer 69 Ser 10 thru 30 oil bath w 4BC 350 69 Blazer w oil bath 350 70 Ser 20 30 w oil bath 350 3957430 1 1 45 a cl and silencer 69 G 10 20 Ser 10 thru 30 3951398 1 55 air cleaner and silencer 6 18 18 x 4V 70 Ser 10 thru 30 6 cyl exc oil bath brake cooster 70 Blazer 6 cyl exc oil bath brake booster 3973285 1 30 70 Ser 10 w oil bath 8 cyl 3776167 1 1 05 a cl and silencer bolt 66 All 3885491 1 40 STUD ASSY V 20 x 13 66 All 3883085 1 40 STUD ASSY V 20 x 8 66 D D G 10 w oil bath 66 Ser 10 A I R w oil bath exc D D 283 67 Ser 10 thru 30 D D 6 cyl exc gov 67 70 G 10 20 w oil bath 6 cyl 68 Ser 10 D D exc heat stove 3876262 1 1 10 STUD ASSY V 20 x 6V 69 70 G 10 20 Ser 10 thru 30 3893607 A R 1 30 STUD ASSY V 20 20 x 97 67 68 2 cyc Diesel 3868510 1 2 85 ADAPTER A CL w Sil stud 55 69 All 3970102 A R 15 GASKET to carb and silencer carb to a cl hose a cl and sil to carb air inl tube 55 57 All 8 cyl exc 4BC 57 Ser 3 8 cyl 60 62 Ser 10 thru 30 8 cyl exc D D 4 WD 63 4 WD 283 1st Ser 63 65 Ser 10 thru 30 w oil bath brake booster 6423337 1 1 00 GASKET to silencer rubber 1 z I D x 2 0 D 57 58 All w 4BC GASKET to carb 65 67 Ser 10 thru 30 327 carb to air cleaner 67 Ser 10 20 w closed vent 8 cyl 561624 1 15 adapter assy 68 70 Ser 10 thru 30 Blazer 8 cyl 3919812 1 40 GASKET air cleaner and silencer 69 70 Ser 10 thru 30 w L P Gas 8 cyl exc oil bath 69 70 Ser 10 thru 30 w 2BC 350 3970104 1 15 GASKET 3 I D x 3 70 All Blazer 3970102 A R 15 GASKET a cl to carb a cl and sil assy carb to a cl hose lower adapter assy extension a cl to carb air inlet tube a cl to adapter 38 70 All Blazer 3752760 1 20 NUT wing V 20 serrated 68 All 3914997 1 25 NUT wing Vi 18 68 70 All Blazer w Roch 1BC 7038913 2 25 SCREW carb a cl bracket 3 405 SUPPORT BRACKET BRACE CLAMP SPACER STRAP STRUT Air Cleaner 51 62 D D 6 cyl exc H T 3697950 1 1 50 55 62 D D w H T 6 cyl 2nd Ser 63 65 Ser 20 30 D D 67 Ser 20 30 D D w gov 292 3720125 1 2 45 60 62 Ser 10 thru 30 w oil bath 6 cyl exc D D gov 63 4 WD 1st Ser exc gov 3770737 1 50 63 Ser 10 thru 30 w oil bath exc D D gov i 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 Y 3 403 3 405 3 28 REV 6 71