194 230 250 ENGINE ASSEMBLY 0 643 RING UNIT Plston Service Sets NOTE Individual cyllnder piston rlng unlts std size only for warranty replacement in a single engine cylinder may be ordered thru the local G MRD warehouse refer to ACNL 6 775 ldentlfy by eng model end yean Specify on your order the reason the parts are required and also that the following note appears an your order Do not ship unitpackage quantity Each of these std size piston ring units include the necessary components ring spacers segments expanders required for replacement in e SlN6LE engine cyl NOTE See Dealer Pdce Schedule for applicable prices Original Equipment Type complete set fortogf engine per container unless otherwise I10 6 STD 020 0 S 030 D S 62 67 Chevy Chevelle 194 3263550 38923570 1 66 70 Taxi 250 68 70 Police 250 69 70 All 230 70 All 250 2nd design exc Taxi Police 71 72 All 6 cyl 3264000 3892388 3285030 1 62 68 All 230 exc Taxi 65 Taxi 230 3264000 3285030 1 66 69 All 250 exc Taxi Police 70 All 250 lst design exc Taxi Police 38923430 3892344 1 70 All 250 326389 6 73 75 All 6 cyl l 326400 328503 6 Special Replacement Type complete set for Ialil engine per container unless otherwise DOES STD 020 0 S 030 0 5 1 62 67 Chevy Chevelle 194 exc Taxi 3263550 3791510 3838345 1 62 70 All 230 66 69 Police Taxi 250 70 72 All 250 3264000 3285030 1 9 These are Molybdenum premium rings 9 This part is eligible for wholesale compensation H Used on ell Taxi Police 250 and all 250 Eng built after Feb 76 7970 Vu inch thlr ring 9 Used on 250 Eng built before Feb ld l970 inch thk rlngl 0 Single cyhnder replacement unit 0 646 CRANKSHAFT Engine 62 70 All 194 230 3864465 1 178 00 Note 1 66 75 All 250 3876840 1 178 00 Note 1 NOTE 7 When used on A T It wlll be necessary to remove the pllot bearing 0 649 BEARING Crankshaft Clutch Pilot 62 75 All 6 cyl 3752487 1 1 30 bush type st D x 1 0 D x H V i 0 669 BALANCER PULLEY Crankshaft NOTE ln some cases double groove pulleys may be used in place of alngle groove pulleys NOTE Crankshaft harmonic balancer ls also referred to as torsional damperi 62 67 Chevy 6 cyl 64 65 Chevelle 6 cyl exc Air Cond 65 Pass 230 exc Air Cond 66 67 Chevelle Camaro 230 exc Air Cond 67 Pass 230 68 69 Chevy Chevelle Camaro w P S 230 exc Air Cond 70 All 230 3826280 1 27 25 w pulley timing mark on frt face 30 degree left 65 66 Chevelle w Air Cond 6 cyl V 65 Pass w Air Cond 6 cyl 67 Chevelle Camaro w Air Cond 250 3850666 1 32 00 w 0 pulley hub 6 0 D 66 70 All 250 exc C A C 71 72 All 6 cyl exc Taxi Police 73 74 All 6 cyl 3896590 1 27 25 w 2 groove pulley iij GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVFlOLET 1 0 643 0 659 cze REV 4 77