283 ENGINE ASSEMBLY 0 629 PISTON ASSY with Pin NOTE individual piston assemblies are available for warranty purposes and for replacement of pistons damaged when making repairs to engine assemblies When ordering such parts it ls necessary that you specify on your order the reason the parts are required end also that the fo lowing note appears on your order Do not shlo unit package quantity ENGINE e SERVICE PISTON DIAMETER RANGE LIMITS DISPLACEMENT BASIC SIZE ALUMINUM 283 cu in 3 8750 STD 4 5 4 3 8750 to 2 8755 S 5 3 8755 to 3 8780 283 cu in 3 8760 001 S 6 3 8760 to 3 8765 S 7 3 8765 to 3 8770 4 NOTE The above chart is for information purposes only Refer to chart for model application NOTE See Dealer Price Schedule for applicable prices PISTON CHART STD 001 0 030 0 8 040 0 8 62 67 All 283 3860407 3860413 3860426 3860432 0 643 RING UNIT Piston Service Sets N0 TE See Dealer Price Schedule for alwlieable Prices Original Equipment Type complete set fortogf engine per container unless otherwise H0 6 STD 030 0 8 62 67 All 283 ee e4 3284000 328503 1 Special Replacement Type complete set for we engine per container unless otherwise note STD 030 0 5 62 67 All 283 326400 328503 9 These are Molybdenum premium rings V This part is eligible for wholesale compensation H These Ring Units contain V compression rings l Cromdex Hing Set having chrome plated all rings top compression ring and chrome plated rail for middle compression ring 7 Single cylinder replacement 0 646 CRANKSHAFT Engine 64 67 All 283 3889303 1 152 00 Note 1 NOTE 7 When used on A 7T lt will be necessary to remove the pilot bearing 0 649 BEARING Crankshaft Clutch Pilot 62 67 All 283 3752487 1 1 30 bush type D x 1 u 0 D x 4 0 659 BALANCER PULLEY HUB Crankshaft NOTE ln some cases double groove pulleys may he used in pleca of single groove pulleys NOTE Crankshaft harmonic balancer ls also referred to as tersional damperi 64 65 Chevelle w 4BC forged crankshaft 283 65 Chevy w 4BC forged crank 283 65 Pass w forged crankshaft 283 65 67 All w nodular crankshaft 283 3896904 1 29 25 w 0 pulley hub 4 z 0 D 66 All 4BC w forged crankshaft 283 3896903 1 29 25 w o pulley 64 67 Chevy Chevelle Camaro 283 exc C A C C Deluxe Air i Cond A I R 65 67 Pass 283 exc Alr Cond A l R 3755820 1 8 60 PULLEY stamped 3755820 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 i 0 629 0 659 Ms REV 4 77