454 ENGINE ASSEMBLY 0 623 BOLT Connecting Rod Bearing Cap 70 72 454 exc Sp H Per 73 75 All 454 3862720 16 1 05 3 8 24 x 2 Z knurled shank 70 71 All w Sp H Per 454 3981092 16 1 05 BOLT 7 ns 20 x 29 az knurled shank 0 626 NUT Connecting Rod Bearing Cap Bolt NOTE 1 Also used with bo ts not requiring cotter pins 70 75 All 454 3866766 A R 22 3 B 24 x 3 E thick hex nut both ends flat Note 1 70 71 All w Sp H Per 454 3942410 16 47 NUT I6 20 x Is thick 0 629 PISTON with Pin 70 All 454 exc Sp H Per 3976015 A R 59 00 PISTON L H std 70 All 454 exc Sp H Per 3976016 A R 55 75 PISTON R H std 70 All 454 exc Sp H Per 3976027 A R 55 75 PISTON L H 020 0 S 70 All 454 exc Sp H Per 3976028 A R 53 25 PISTON R H 020 0 S 70 All 454 w Sp H Per 3976013 A R 69 00 PISTON std 71 All 454 exc Sp H Per 353058 A R 54 25 PISTON std 71 All 454 exc Sp H Per 3993875 A R PISTON 001 0 S 71 All 454 exc Sp H Per 353061 A R 54 25 PISTON 030 O S 71 All 454 w Sp H Per 6262976 A R 72 25 PISTON std 71 All 454 w Sp H Per 6262979 A R 98 75 PISTON 030 0 S 72 73 All 454 353058 A R 54 25 PISTON std 72 All 454 3993875 A R PISTON 001 0 S 73 All 454 353059 A R 54 25 PISTON 001 0 S 72 73 All 454 353061 A R 54 25 PISTON 030 O S 74 75 All 454 340206 A R 54 25 PISTON std 74 75 All 454 340207 A R 54 25 PISTON 001 0 S 74 75 All 454 340208 A R 54 25 PISTON 030 0 S 0 643 RING KIT Piston Service Sets Single cylinder only 70 75 All 454 475987 A R N L RING KIT std Note 1 70 75 All 454 328541 A R 11 95 RING KIT 030 0 5 Note 1 0 646 CRANKSHAFT Engine NOTE 7 When used on A T it will be necessary to remove the pilot bearing 70 Pass Chevelle w A T 454 exc Sp H Per 73 75 All 454 336782 1 307 00 Note 1 70 Chevelle 454 exc Sp H Per Monte Carlo A T 3975945 1 307 00 70 71 All w Sp H Per 454 3963523 1 408 00 Note 1 71 72 All 454 exc Sp H Per 3993878 1 408 00 CRANKSHAFT Note 1 0 649 BEARING Crankshaft Clutch Pilot 70 74 All 454 3752487 1 N L BEARING bush type 9 gz I D x 1 z O D x 3 0 659 BALANCER DAMPER PULLEY Crankshaft NOTE ln some cases double groove pulleys may be used in place of single groove pu eys NOTE Crankshaft harmonic balancer is also referred to as torsionaI damper 70 72 All 454 exc Sp H Per 73 All 454 exc A T 3963529 1 73 75 70 71 All w Sp H Per 454 3963530 1 79 00 BALANCER 73 75 All w A T 454 330849 1 43 75 DAMPER torsional 70 72 All 454 exc C A C Sp H Per 3955290 1 15 20 PULLEY 2 groove 70 71 All w Sp H Per 454 3955291 1 15 20 PULLEY 2 groove 70 Chevelle w Air Cond 454 70 Pass w C A C A T 454 70 Pass w Acc Air Cond 454 71 72 All w Air Cond 454 73 75 All 454 3937787 1 21 35 PULLEY 3 groove Note 1 70 All w P S 454 exc C A C Sp H Per 3956666 1 15 20 PULLEY 2 groove 70 Pass Chevelle w Acc Air Cond 454 3972180 1 26 50 PULLEY 3 groove stamped 3972180 0 662 WASHER Harmonic Balancer and Crankshaft Pulley 70 75 All 454 3864814 1 1 05 WASHER balancer 0 666 FLYWHEEL with Ring Gear 70 74 All 454 exc A T 3993827 1 98 00 GIVI PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 REV 4 81 0 125 0 623 0 666