55 56 ALL CORV 8 cyl STUD valve rocker arm ball 013 0 5 24 x 2 3719800 A R 35 18 57 58 ALL CORV 8 cyl A STUD valve rocker arm ball 003 0 3 24 x 21Q 3747003 A R 30 15 57 58 ALL CORV 8 cyl STUD valve rocker arm ball 013 0 5 24 x 21 Q 3747001 A R 30 15 0 439 COVER Valve Push Rod 37 49 ALL 50 53 ALL 216 91 Q x 261 Q overall 3835344 1 4 70 282 50 58 ALL CORV 6 cyl exc 216 5 x 27 dimple in center 3701541 1 2 15 129 0 443 GASKET Valve Push Rod Cove 34 36 ALL exc DC 91 x 25 overall 601278 1 65 33 37 49 ALL 50 53 ALL 216 9 x 26Y 4 overall 602336 1 80 40 50 58 ALL CORV 6 cyl exc 216 5 x 27 w lobe on bottom 3701542 1 70 35 0 454 SEAL Valve Push Rod Cover Cork 37 49 ALL 50 53 ALL 216 1L 6 1 D x 11 O D X 11 thick 3835246 6 07 18 63 0 459 TAPPET Valve cr Lifter 29 39 ALL 838774 12 1 00 50 40 53 ALL 216 w rod seat white paint spot 839263 12 1 45 73 41 55 ALL 235 exc P G w rod seat yellow paint under rod seat 3660438 12 1 45 73 50 52 PASS W l G hydraulic litter type 5230650 12 2 60 156 53 PASS w P G hydraulic litter type 3 holes on side 5230850 12 2 60 156 53 55 CORV 6 cyl mechanical type single groove around 54 55 UTIL 261 body 3836342 12 1 45 73 54 55 PASS w PG 6 cyl 56 58 PASS 6 cyl exc 58 TAXI hydraulic lifter type 1 hole 1 g 5231450 12 2 60 156 55 56 ALL CORV 8 cyl hydraulic type 5231430 16 2 60 156 55 56 PASS CORV 8 cyl mechanical type 21 Q OD x 2 long 5231315 16 1 45 73 56 58 Ser 3 4 6 6 cyl mechanical type 5231800 12 1 45 73 57 58 ALL CORV 8 cyl exc H L Cam hydraulic type push rod seat and ret copper plated 5231475 16 2 60 156 57 58 PASS CORV w 1 1 L Cam mechanical type 2 holes in body 5231585 16 2 50 150 58 TAXI w 3752735 com 6 cyl hydraulic lifter type 5231830 12 2 60 156 0 503 SPRING Valve Tappet 34 37 ALL 2 tree length l D 11 coils 837321 12 20 12 0 519 CAMSHAFT 37 53 ALL 216 forged 838733 w ring and key 3836491 1 24 20 1452 41 53 ALL 235 exc RG forged 3836023 2 grooves between 5 and 6 inlet cams 3836490 1 24 20 1452 50 53 PASS w P G forged 3836023 1 groove between 5 and 6 inlet cams 3836485 1 24 20 1452 53 55 CORV 6 cyl 54 55 UT1L 261 56 58 COMM UT1L 6 cyl assy cast 3836390 3836484 1 24 20 1452 54 55 ALL 6 cyl exc P G 261 includes distributor gear 3713919 1 24 20 1452 54 55 PASS w P G 6 cyl 56 58 PASS 6 cyl cast 3836386 3836483 1 24 20 1452 55 PASS 8 cyl w mech tappets cast 3836686 3836700 1 22 50 1350 55 ALL 8 cyl w hyd tappets 56 57 PASS w 2BC 265 exc P G 56 58 Ser 3 4 6 8 cyl cast 3703906 3704212 1 22 50 1350 56 PASS CORV dual 4BC w H L Cam 3734077 1 29 15 1749 55 PASS w H L Cam 55 CORV 8 cyl 56 PASS w dual 4BC exc H L Cam 56 CORV exc H L Cam standard cast 3711355 3711354 1 21 65 1299 56 PASS w P G 8 cyl W 56 PASS w 4BC cast 3728284 3728779 1 22 50 1350 REVISED NOVEMBER 1 1958