454 ENGINE ASSEMBLY PISTON CHART STD 001 O S 020 O S 030 O S 71 All 454 exc Sp H Per 3993874 3993875 3993876 3993877 40 0 643 RING UNIT Piston Service Sets NOTE Individual cylinder piston ring units std size only for warranty replacement in a single engine cylinder may be ordered thru the local G M P D warehouse refer to ACNC 6775 Identify by engine model and year Each of these std size piston ring units include the necessary components ring spacers segments expanders required for replacement in a single cylinder NOTE See Dealer Price Schedule P A 26 for applicable prices Original Equipment Type complete set for one engine per container STD 020 O S 030 O S 71 All 454 3888308 3888309 3888310 0 646 CRANKSHAFT 71 All 454 exc Sp H Per 3993878 1 109 75 Note 1 71 All w Sp H Per 454 3983523 1 110 80 Note 1 NOTE 1 When used on A T it will be necessary to remove the pilot bearing 0 649 BEARING Crankshaft Clutch Pilot 71 All 454 3752487 1 95 bush type e O D x 0 659 BALANCER PULLEY Crankshaft NOTE In some cases double groove pulleys may be used in place of single groove pulleys NOTE Crankshaft harmonic balancer is also referred to as torsional damper 71 All 454 exc Sp H Per 3983529 1 35 25 71 All w Sp H Per 454 3983530 1 71 All 454 exc C A C P S Sp H Per 3955292 1 3 90 PULLEY 1 groove 71 All w Air Cond 454 3937787 1 4 50 PULLEY 3 groove 71 All w P S 454 exc Sp H Per C A C 3955290 1 3 45 PULLEY 71 All w Sp H Per 454 3955291 1 4 10 PULLEY 2 groove 0 662 WASHER Harmonic Balancer and Crankshaft Pulley 71 All 454 3864814 1 55 balancer 0 666 FLYWHEEL with Ring Gear 71 All 454 exc A T 3993827 1 26 50 71 All w A T 454 exc Sp H Per 3992089 1 26 50 71 All w A T Sp H Per 454 3992070 1 26 50 0 669 BOLT DOWEL Flywheel to Crankshaft 71 All 454 exc A T 839756 6 10 e 20 x 1 71 All w A T 454 3727207 6 10 20 x 6 290M steel 71 All 454 3701879 1 10 DOWEL flywheel dia x long 0 673 RING GEAR Flywheel 71 All 454 3991408 1 4 95 0 679 UNDERPAN ASSY BOLT COVER Flywheel 71 All w T H 400 454 3952861 1 3 50 trans converter 71 All 454 3817008 A R 05 BOLT w washer 20 x s 71 All 454 3843943 1 1 90 COVER clutch housing contains large 2 e dia round hole 0 683 HOUSING Flywheel and Clutch 71 All 454 3899821 1 27 35 clutch cast 3899621 0 685 DOWEL Flywheel and Clutch Housing to Cylinder Block 71 All 454 3712745 2 35 x az X 0 724 CHAIN Camshaft Timing 71 All 454 exc Sp H Per 3902428 1 8 65 link type 71 All w Sp H Per 454 3880036 1 8 65 link type 0 728 SPROCKET Crankshaft Timing steel 71 All 454 exc Sp H Per 3902422 1 3 75 19 teeth 71 All w Sp H Per 454 3880035 1 3 75 19 teeth