350 ENGINE ASSEMBLY GMC GROUP 0 207 GASKET Crenkcase Front End Cover 73 78 All Blaxer Jimmy M LC 4 3799820 I 53 GASKET 8 2230A 78 All Diesel 4 382927 1 72 GASKET ln cvr 8 2230A 0 213 SEAL Crankcese Front End Cover 3 73 78 All Blazer Jimmy M H C 14033I99 I 4 65 SEAL 2 ie O D stamped 3980267 8 16525 78 All Diesel 552711 1 3 55 SEAL cr shf oil In 8 I652E 0 219 POINTER PIN Timing 73 78 All Blaxer Jimmy 350 77 78 G1 2 3 350 3591438 1 I I0 POINTER 8 2327L 73 74 All w L P Gas 350 3591435 I I I0 POINTER 8 2327L 77 78 M H C 458857 I 2 40 POINTER 8 2327L 78 All Diesel 419048 I 2 45 POINTER 8 2327L 78 All Diesel 417141 I 50 PIN Irt cvr Gl Img ind i x 0 269 HEAD PRECHAMBER Cylinder NOTE 1 2nd design heads will require the use of 2nd design exhaust valves See Group 0 297 NOTE 2 When using 464033 cr 464036 in place of 359944 6250855 or 6260856 it will be necessary to measure from mp of guide to valve spring seat exh only lf dimension is 75 use 6263756 valve spring damper asm free ht 1 9 l lavender stripe lf dimension is 84 use 39 Y 1068 valve spring 8 damper asm free hL 2 03 lt green stripes 73 All w L P Gas 6280430 2 250 00 HEAD w studs inserts seat Note 1 8 0570A 73 CKP 2 3 M H C exc L F Gas Sub 73 G 3 Panel 8272089 2 124 00 HEAD w studs 8 0570A 73 74 CK 1 Blaxer Jimmy exc L P Gas 73 74 CK 2 Sub 73 74 G 1 2 73 74 G 3 Sub 75 78 All Blaxer Jimmy w 2BC 350 75 77 C 1 Cab w 4BC 350 exc H D Chassis 75 8la1er C Jimmy C w 4BC 350 i J 75 77 G I w 4BC 350 14034808 2 231 00 HEAD w studs Note 1 8 0570A 74 CKF 2 3 M H C exc L P Gas Sub 74 G 3 exc Sub 75 77 CK 3 w 4BC 350 75 77 CK 2 Cab w 4BC 350 75 77 G 3 Chevy Van Cab w 480 350 75 77 P 2 3 M H C w 4BC 350 14034811 1 231 00 HEAD w studs Note 2 8 0570A 74 All w L P Gas 6260529 2 225 00 HEAD w inserts seat Note I 8 0570A 75 77 C I Cab H D Chassis w 4BC 350 75 77 K 1 Cab Blaxer K Jimmy K w 4BC 350 75 77 CK 1 Z Sub w 48C 75 77 G 2 w 4BC 75 77 G 3 Sportvan Rally Wagon w 4BC 78 77 Blazer C Jimmy C 14034811 2 231 00 HEAD w studs Note I Si 2 8 0570A 78 G3 350 w Calif Dual Rr WM 78 G2 06 G3 06 350 w A T exe cam 78 G3 03 05 350 exc Calil 78 C1 03 350 w H D C F44 exc CaliI 78 CKP 3 350 78 G 2 05 350 78 P 2 350 exc Calif 78 C1 06 18 K1 CK2 4 350 exc Calif 14034811 Z 231 00 HEAD w stud cyl Note 2 8 0570A WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 0 207 0 269 046 REV 2 83