63 CORVAIR w 1 urbocharger 3829103 1 25 50 62 63 CHEVY 4 cyl std 3738901 1 29 05 62 63 CHEVY 6 cyl Std 3791712 1 20 75 62 63 CHEVY 4 cyl 020 O S 3738902 1 29 05 ud 62 63 CHEVY 6 cyl 020 O S 3791713 1 20 75 62 63 CHEVY 4 cyl 030 0 S 3738903 1 29 05 62 63 CHEVY 6 cyl 030 0 S 3791718 1 20 75 63 CORVAIR F C exc Turbocharger 3829219 1 21 95 Service Type Cromflex 60 ALL 3785274 1 21 95 61 63 CORVAIR F C 3798525 1 21 95 62 63 CHEVY 4 cyl std 3747539 1 29 05 62 63 CHEVY 4 cyl 020 O S 3747549 1 29 05 62 63 CHEVY 4 cyl 030 O S 3747558 1 29 05 62 63 CHEVY 4 cyl 040 O S 3747567 1 29 05 NOTE Only half the quantity of components in this unit are necessary for this model 0 646 CRANKSHAFT ASSEMBLY 60 63 CORVAIR F C exc Turbocharger forged 6255607 6256633 1 74 50 62 63 CORVAIR w Turbocharger forged 3817293 3817291 1 74 50 62 63 CHEVY 4 cyl forged 3788522 3788521 1 72 50 62 63 CHEVY 6 cyl forged 3788423 3788423 1 79 50 NO 1 E When using on Models with Automatic Transmission remove clutch pilot bearing 0 648 SLINGER RING Cronkshuft Oil 60 61 ALL rear 2 5 8 O D x 1 1 8 I D 6257477 l 1 25 60 ALL RING retaining front oil slinger 2 3 4 I D 3769698 1 45 wr TNOTE When using 6257477 in place of 6255836 it will also be necessary to use 1 6257476 Seal Assy Also the outboard face of pilot hole of engine rear Housing Assy 6255848 must be chamfered 1 32 x 45 degree to provide a lead in for 6257476 Seal 0 649 BEARING Crunlrshoft Clutch Pilot 60 63 CORVAIR F C 6256648 1 65 62 63 CHEVY bush type 19 32 I D x 1 3 32 0 D x 3 4 3752487 1 70 0 659 PULLEY ASSEMBLY BALANCER ASSY HUB Cronkshoft 62 CHEVY 4 cyl stamped 3788524 3788524 1 1 60 62 63 CHEVY w C A C P S 6 cyl front stamped 3790337 3790337 1 1 95 63 CHEVY w 62 amp A C Gen 6 cyl 62 63 CHEVY w C A C P S 4 cyl front stamped 3790327 3790327 1 1 95 63 CHEVY w 62 amp A C Gen 4 cyl 60 63 CORVAIR F C exc C A C w hub single 3814340 1 5 40 61 63 CORVAIR w C A C w hub double cast 3795445 3795445 1 9 75 63 CHEVY 4 cyl stamped 3793717 3793717 1 1 60 62 CHEVY 6 cyl BALANCER ASSY w pulley 3792291 1 10 75 63 CHEVY 6 cyl BALANCER ASSY w pulley 3826280 1 10 75 62 63 CHEVY 4 cyl HUB pulley 4 3 16 dia 3788523 1 5 25 wi 0 659 Chevrolet Motor CORVAlR CH EVY Genorol Motors Corporation