250 350 375 400 TURBO HYDRAMATIC 4 317 EXTENSION Transmission Rear Min Bearing Con t 72 75 Pass Sta Wag w T H 350 350 400 465257 1 38 25 Note 1 71 Pass Sta Wag w T H 350 1st design 6260239 1 39 50 Note 2 71 75 Pass w T H 375 400 w 2 BC 8627005 1 62 35 72 Monte Carlo w T H 350 6260035 1 27 50 w bushing w 2 dia speedo driven bore 72 75 Vega T H 250 347123 1 32 00 trans includes ventilator assembly 3820840 73 75 Pass w T H 375 400 w 4BC 8627407 1 57 65 75 Vega Monza w T H 350 14008972 1 30 00 EXTENSION w bushing 4 318 GASKET SEAL SLEEVE Transmission Rear Bearing Retainer 65 75 All w T H 400 8624709 1 47 GASKET trans case extension to case 65 66 Pass w T H 8625892 1 4 36 SEAL rear bearing oil 2 Z 0 0 67 71 All w T H 400 72 Pass Chevelle w T H 400 72 75 Camaro w T H 400 exc 402 8616504 1 32 SEAL output shaft 0 ring 69 75 All w T H 350 1358899 1 89 SEAL extension to case 69 All w T H 350 72 75 All w T H 375 3764601 1 32 SEAL O ring output shaft yoke 67 75 All w T H 400 8626009 1 N L SEAL ext rear oil 66 75 All 350 w T H 350 375 400 3932255 1 N L SEAL extension 69 All w T H 350 72 75 All w T H 375 6261062 1 2 15 SLEEVE output shaft yoke seal 4 319 BUSHING BOLT Transmission Rear Main Bearing 65 66 Pass w T H 400 8619943 1 3 96 extension 67 69 All w T H 400 68 Police w TH 71 75 All w T H 400 8626901 1 4 03 trans case extension 69 75 All w T H 350 6260048 1 1 25 BUSHING extension 1 Z D x 15 B O D 75 All w T H 350 1246845 2 45 BOLT ext to case 4 329 ADAPTER Speedometer NOTE 7 Adapters used as required in combination with speedometer gears to correct odometer reading for various tire sizes transmission and rear axle gear ratio combinations See chart at end of group 4 330 KEY CUP Speedometer Adapter 62 69 All 867209 1 1 60 KEY also included w adapters 1565811 12 13 14 1580273 3876 62 69 All 860187 1 2 66 CUP drive 32 x 13 E nickel bright 4 337 GEAR Transmission Speedometer Driven Gears only NOTE For model years 7968 75 see charts at end of group NOTE 7 Used selectively 65 66 Pass w 3 36 3 31 axle 7 35 x 14 65 66 Pass w 3 55 axle 7 75 x 14 8 25 x 14 7 75 x 15 8 15 x 15 8 55 x 14 red 21 teeth 65 66 Chevelle w 3 36 3 31 axle 6 95 7 35 x 14 66 Chevelle w 3 55 axle 7 75 x 14 66 Chevy w 3 31 axle 3987921 1 1 79 6 95 x 14 red 21 teeth 62 66 Chevy w 3 07 3 08 axle 6 50 7 00 x 13 6 95 x 14 64 Chevelle w 3 08 axle exc Sta Wag EI Camino 6 50 x 14 64 66 Chevelle Sta Wag El Camino w 3 36 axle 6 cyl 7 50 7 75 x 14 65 66 Pass w 3 36 3 31 axle 7 75 x 14 8 25 x 14 7 75 x 15 8 15 x 15 8 55 x 14 blue 20 teeth 65 66 Chevelle w 3 31 axle 7 75 x 14 65 66 Chevelle w 3 07 3 08 axle 6 95 x 14 67 Chevy w 3 07 3 08 axle 3987920 1 1 75 6 95 7 35 x 14 62 66 Chevy w 3 36 axle 6 50 x 13 64 Chevelle w 3 70 axle 7 50 x 14 65 66 Pass w 3 55 axle 7 35 x 14 65 66 Pass w 3 70 3 73 axle 7 75 x 14 8 25 x 14 7 75 x 15 8 15 x 15 8 55 x 14 65 66 Chevelle w 3 70 axle 7 75 x 14 67 Chevy w 3 31 3 36 axle 3860345 1 1 85 6 95 x 14 green 22 teeth 62 65 Chevy w 3 36 axle 6 00 x 13 62 66 Chevy w 3 55 axle 6 50 7 00 x 13 6 95 x 14 64 Chevelle w 3 70 axle 7 00 x 14 65 66 Pass w 3 70 axle 7 35 x 14 65 66 Pass w 3 73 axle 7 35 x 14 7 75 x 14 65 66 Chevelle w 3 70 axle 7 35 x 14 65 66 Chevelle w 3 73 axle 7 35 7 75 x 14 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 11 4 317 4 337 4 90 REV 4 81