0 309 CAP ROTATOF1 ASSY Valve Spring 62 63 Chevy 64 66 All exc 96 409 427 67 69 All exc 6 cyl 3729363 A R 15 inlet and exhaust 70 Taxi Police 250 inlet valve 70 All exc B cyl Taxi Police 1 V 6 O D stamped H NOTE 1 Used with necked down stems Full dia stem on some models require cap 3776967 65 Pass 409 exc dual 4BC H Per 3776967 AR 25 inlet and exhaust 1 O D 65 Pass w l l Per dual 4BC 409 3815520 16 25 inlet and exhaust 1 Vu 0 D 65 69 All 396 427 1st design 70 Pass 454 exc H Per Police 3859909 16 25 inlet and exhaust 1 2 O D stamped T Note 2 NOTE 2 For 2nd design application see 3964264 Cap Assy 55 Chevelle 396 65 Pass w Sp H Per 396 3864900 16 25 stamped O 67 70 All 283 302 307 327 350 70 All vv ZBC 4001 3896934 A R 15 valve spring cap A stamped on top of the surface inlet 1 2 0 D 69 All 396 427 End design 70 Pass w H Fer 454 70 Nova Chevelle Camaro 396 400 vv 4BC 454 3964264 16 35 CAP ASSY w deflector Note 3 NOTE 3 lst design vehicles required a cap and seal while 2nd design vehicles require 3964264 Cap Assy 70 Taxi Police 250 3851837 6 2 40 ROTATOR ASSY exhaust valve 1 O D x thk 0 310 KEY Valve Stem 62 69 All exc 302 396 40Q 427 70 All exc 8 cyl 70 All 307 350 exc Sp H Per 70 All w 2BC 400 838029 A R 05 U shape 65 69 All 396 400 w 4BC 409 427454 3947880 32 05 green 67 69 Camaro 302 70 All w Sp H Per 350 3947770 32 05 purple 0 333 ARM ARM UNIT Valve Rocker with Adjusting Screw and Nut 65 70 All 396 400 w 4BC 427 454 exc Police Sp H Per 3860305 16 1 65 inlet and exhaust 65 69 All w Sp H Per 396 427 454 65 69 Police 396 427 70 Police 454 3860308 16 1 65 inside rocker arm at pilot end 62 69 All 8 cyl exc 396 409 427 70 All 307 350 70 All w 2BC 400 3974290 16 1 40 ARM UNIT inlet and exhaust O stamped on inside of pad end 62 70 All exc 8 cyl 5723551 A R 1 60 ARM UNIT inlet and exhaust 65 Pass 409 5723552 16 1 30 ARM UN T met and exhaust 0 376 SPRING Valve Rocker Shaft 65 69 Pass 6 cyi 3835508 4 10 2 6 free length 0 386 COVER GROMMET EMBLEM Valve Rocker Arm 62 Chevy 4 cyl 3852572 1 5 60 5 holes 17 V z O L 62 Chevy 194 3852573 1 4 10 COVER ASSY 63 70 Chevy 4 cyl 3923467 1 5 60 COVER ASSY w grommet 63 69 All 6 cyl 3980229 1 4 60 COVER ASSY 64 70 Chevy Chevelle w H Per 230 3852894 1 8 85 COVER ASSY chrome Note 1 64 66 All 327 exc Sp H Per 3910298 2 4 20 COVER ASSY right or left 65 66 Chevelle w Sp H Per 327 66 Chevy w Sp H Per 327 3858863 2 9 35 COVER ASSY left and right chrome 65 Pass 409 3853413 2 10 35 COVER ASSY left and right chrome 65 Pass w Sp H Per 396 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 30A 0 309 0 386 0 16 REV 2 71