56 59 All 322 1343487 4 40 water jacket cup shape 2V dia 58 65 All 348 409 3736407 4 05 left side of cyl cup shape Vu O D 1 531 58 70 All 348 366 409 427 3743389 11 15 water jacket hole cup type 1 O D 62 69 All 3 53 4 53 5121316 2 14 V x 62 66 All 3 53 4 53 67 68 Tilt 3 53 4 53 5150131 2 38 top of block opposite camshaft V 62 66 Ser 80 6V 53 5119218 2 12 frt cover cup and block V 62 66 Ser 80 6V 53 5150130 1 05 rear of block Vu 63 66 Ser 50 60 6 cyl exc Diesel 67 70 All 250 292 3788418 3 15 cyl head water jacket O D cup type 63 66 Ser 50 60 6 cyl exc Diesel 67 70 All 250 292 3789860 1 15 water jacket rear 2 0 D cup type 65 68 All D351 D DH478 2379621 A R 15 cyl case core hole frt cover core hole stud W dia 65 69 All D351 D DH478 2381542 1 15 cyl case oil hole dia 65 67 All D351 D DH478 2369561 1 20 cyl case core hole dia 65 Ser 50 D351 exc Tilt 66 Ser 50 60 D351 D DH478 67 69 All D DH478 555679 2 cyl head core hole 65 66 Ser 80 6V 53 5109157 2 34 front 1 VM 0 D 66 70 All 366 427 3864810 4 15 cyl head water jacket 1 sq socket 66 All 366 9409949 1 40 core support hole Wu 0 D 8 971 69 All DH478 654439 2 80 cyl and case hole 62 69 All 3 53 4 53 6V 53 5176668 1 72 CLIP air box drain tube 62 69 All 3 53 4 53 5150023 1 14 COVER water hole 2Vz ctr to ctr of holes 62 66 Ser 80 6V 53 5108759 1 4 25 COVER water hole cast 5108759 62 69 All 3 53 4 53 5132286 1 94 TUBE flared V x 12 62 64 Ser 80 6V 53 5132287 1 49 TUBE ASSY air box drain 65 66 Ser 80 6V 53 5134753 2 1 03 TUBE ASSY air box drain 63 66 Ser 60 4 53 2357307 1 32 WASHER water jacket hole cover D x O D 7 371 0 050 COVER GASKET Accessory Drive Hole 62 66 Ser 80 Diesel 5152716 2 29 62 69 All 3 53 4 53 62 64 Ser 80 6V 53 exc P T 65 66 Ser 80 6V 53 5150193 A R 08 GASKET cover 0 056 BOLT STUD Crankshaft Bearing Cap 40 62 All 6 cyl exc Diesel 839126 4 20 rear Vz 13 x 2 55 62 All 6 cyl exc Diesel 3835867 2 25 frt and rear inter 12 x 3 55 61 All 265 283 3836341 10 20 V 14 x 2V 200M steel 58 65 All 348 409 3828570 10 20 Vz 13 x 3V 62 All 283 327 63 66 Ser 50 60 exc Diesel 348 66 68 Ser 40 thru 60 exc 366 427 Diesel 69 70 All 6 cyl 3872781 A R 20 main 14 x 3 62 69 All 3 53 4 53 5116199 10 62 12 x 4 62 66 Ser 80 6V 53 5125945 8 50 12 x 6V hex hd 65 69 All D351 D DH478 2489917 4 42 No 4 12 point V washer head 65 69 All D351 D DH478 2489916 6 42 No 1 2 3 12 point washer head 65 All D351 D DH478 66 70 All 366 427 3909834A R 25 inboard 3 V long x Vu thread length 66 70 All 366 427 3859927 10 20 outboard 2 4 long x thread length 67 69 All D DH478 2474301 8 2 10 cap to cylinder block 69 70 All 350 3932480 10 20 V 14 x 3 V 70 All 350 3877669 6 20 2V 0 L 0 293 63 67 Ser 40 thru 60 292 3872718 1 95 STUD No 5 brg cap right Vi 14 16 x 5V 4 65 70 All 230 250 STUD No 6 brg cap right 68 70 All 292 3852870 1 25 No 5 brg cap right 3 16 x V 14 x 3V 0 060 WASHER Crankshaft Bearing Cap Bolt 62 66 Ser 80 6V 53 rear lifter bracket to cylinder head washer 65 68 All D351 D DH478 5125608 A R 05 crankshaft bearing cap stabilizer 65 69 All D351 D DH478 2448971 8 18 0 093 PLASTIGAGE All All 1390274A R 5 00 green package Type PG 1 12 pieces 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31S R5v 6 7 0 9 0 034 0 093