66 EL CAMINO S S 396 exc Sp H Per C A C 62 amp A I R 67 EL CAMINO S S 396 exc H Per C A C 62 amp 1 groove pulley 3874412 l 1 27 66 67 EL CAMINO S S w P S 396 exc Sp H Per 1 groove pulley 3874416 1 1 50 66 CORVAIR w Air Cond 2nd design exc A I R 67 CORVAIR w Ai Cond 53 O D 3891556 1 1 75 66 CORVAIR w A I R 67 CORVAIR w A I R exc Air Cond 3888118 1 2 15 66 EL CAMINO w A I R 62 amp exc Sp H Per 66 S S w A I R 62 amp exc Air Cond 67 EL CAMINO S S w A I R 396 exc Air Cond front cross shaft 2 groove pulley 3874418 1 3 10 67 EL CAMINO S S w T H 396 67 CHEVELLE CAMARO 250 C A C w A I R 67 CHEVELLE CAMARO 250 P S w C A C exc A I R l groove pulley 3876872 1 3 77 62 65 CHEVY 6 cyl lst design 64 65 CHEVELLE 6 cyl lst design exc Air Cond 66 67 CHEVY 6 cyl 66 67 CHEVELLE CAMARO 230 exc BALANCER ASSY W pulley timing Air Cond mark on front face 30 left 3826280 1 11 05 64 66 CHEVELLE w Air Cond 6 cyl 67 CHEVELLE CAMARO 250 w Air Cond BALANCER ASSY 3850666 1 10 50 64 67 CORVAIR w H Per P G Air Cond BALANCER ASSY harmonic 3850971 1 10 20 64 66 CORVAIR w Sp H Per 4 1 BC 64 65 F C BALANCER ASSY harmonic letter C stamped on face 3851262 1 11 55 64 65 CHEVELLE w 4 BC forged crankshaft 8 cyl exc Sp H Per 64 65 ALL w nodular crankshaft 283 65 CHEVY w 4 BC forged crank 283 65 CHEVY CHEVELLE w forged crank 327 66 ALL w nodular crankshaft 283 2nd design 67 ALL w nodular crankshaft 283 BALANCER ASSY harmonic 3861970 1 14 40 65 66 CHEVY 194 230 2nd design 65 66 CHEVELLE 194 230 2nd design BALANCER ASSY w pulley timing exc Air Cond mark on front face 45 right 3883208 1 11 05 65 CHEVELLE 327 BALANCER ASSY hub 8 O D 3883961 1 30 50 NOTE When using this part use 3883206 key 66 67 CHEVY CHEVELLE w Sp H Per 327 BALANCER ASSY 3817173 1 29 70 65 66 CHEVELLE w Sp H Per 396 BALANCER ASSY w pulley 7 O D 3860010 1 15 40 66 67 CHEVELLE 396 exc Sp H Per BALANCER ASSY w o pulley 6 O D 3860008 1 15 40 66 CHEVY CHEVELLE w nodular crankshaft 283 1 st design BALANCER ASSY w o pulley 6 0 D 3883956 1 14 40 66 CHEVY CHEVELLE 4BC w forged crankshaft 283 327 exc Sp H Per 67 ALL 327 w forged crankshaft exc Sp H Per BALANCER ASSY w o pulley 3896903T l 14 80 TNOTE Requires key for A deep keyway A 67 ALL 250 exc Air Cond BALANCER ASSY w 2 groove pulley 38965900 1 11 55 67 CHEVELLE CAMARO w Air Cond 250 BALANCER ASSY w 2 groove pulley 38965910 1 16 75 NOTE Requires key for A deep keyway 67 CAMARO 350 BALANCER ASSY w o pulley 8 O D 3896966 1 62 67 CHEVY 4 cyl HUB pulley 4 dia 3788523 l 5 25 64 65 CHEVY CHEVELLE w forged crankshaft 8 cyl lst design exc 4 BC HUB pulley or balancer 4 dia 3795272 1 6 05 3 I9 0 659 Chevrolsi Mohr Divld CCC 58 Generol Motors Corporation