55 64 Pass 8 cyl 3701638 A R PLUG oil pressure and tappet gallery cyl and case oil gallery hole at frt end and oil filter cavity V1 dia cup shape 55 58 Pass 6 cyl 3764579 1 PLUG oil pressure Note 1 NOTE 1 Required when any 1959 6 cyl block or short motor is installed in 1955 58 models Reduces full pressure oiling to restrict flow Also requires BOLT 3764578 in group 0 293 at right hand center bolt location 58 64 Pass 348 409 3736407 4 PLUG cyl and case cup type Vu O D R 61 62 Pass 6 cyl 444782 2 PLUE oil gallery hole 18 thd sq socket 971 63 64 Pass exc 8 cyl 3930824 1 PLUG oil pressure regulator hole 38 53 Pass 3835489 A R CONNECTOR delivery pipe to crankcase delivery i eto oil um 18x 4 53 Pass w P G pp p p 4 8 2 54 Pass 3835868 1 GROMMET pipe suction pipe molded 68 VALVE ROCKER ARM SHAFT OIL 53 Pass 235 exc P G 3701304 1 CONNECTOR w pipe and center pin 53 Pass w P G 54 58 Pass 6 cyl 3836566 1 CONNECTOR w pipe no center pin 59 62 Pass 6 cyl 3779879 1 CONNECTOR 40 62 Pass 6 cyl 839270 2 WASHER 1 Vm l D x 1 O D 1 535 COVER GASKET VALVE Oil Distributor 40 53 Pass exc P G 839173 1 GASKET valve seat has 6 hoIes rubber and asbestos 40 53 Pass exc P G 839174 1 GASKET cover has 3 attach hoIes rubber and asbestos 40 53 Pass exc P G 839170 1 VALVE 2 O L 1 540 COOLER ASSY HOSE Oil 63 64 Spt Cpe RPO Z11 3157804 1 stamped 3157804 38 64 Pass 3865329 A R HOSE oil cooler pipe to outlet pipe 8 962 1 609 SPRING VALVE RETAlNER SEAT Oil Pump 38 52 Pass w gear type pump 53 Pass exc P G 838449 1 relief 5 ta 0 D x free length 53 Pass w P G 54 Pass 6 cyl 3702367 1 pressure regulator valve Vu 0 D x 2 O L 55 61 Pass 8 cyl 3835896 1 pressure reg valve Vu O D x 2 V1 0 L 55 61 Pass 6 cyl 3786257 1 pressure regulator valve 2 free Igth 62 Pass 6 cyl 3813796 1 pressure regulator valve 2 L free length 62 Pass 283 327 63 64 Pass exc 409 63 64 Pass 409 exc H Per dual 4BC RPO Z11 3814903 A R pressure regulator valve 21 c0l s 2V z free length 62 64 Pass w H Per dual 4BC RPO Z11 409 3848911 1 pressure regulator valve 21 coils stripe of white 40 53 Pass exc P G 839278 1 VALVE relief z O D x length 53 Pass w P G 54 62 Pass 63 64 Pass 8 cyl 3702366 1 VALVE pressure regulator Vu I D x Via O D x 1V O L 63 Pass 230 3829433 1 VALVE pressure regulator used w pump cast 3832182 53 Pass w P G 54 61 Pass 62 Pass 6 cyl 62 63 Pass w H Per dual 4BC RPO Z11 409 3701564 1 RETAINER pressure regulator valve spring Via 0 D 63 Pass 6 cyl 3789713 1 SEAT pressure reg valve spring 2 x 4 1 639 PIN RETAlNER SHAFT SLEEVE Oil Pump Shaft 55 59 Pass 8 cyl 142485 1 groove V x 8 940 55 57 Pass 8 cyl 555746 1 RETAINER drive sleeve Via thick 59 64 Pass 8 cyl 3764554 1 RETAINER dist to pump inter shaft Note 1 55 57 Pass 8 cyl 3836624 1 SHAFT dist to pump w sleeve 2 372 58 59 Pass 283 3739826 1 SHAFT dist to pump w sleeve 2 372 58 59 Pass 348 3740477 1 SHAFT dist to pump w sleeve 2 372 59 64 Pass 283 327 3764552 1 SHAFT dist to pump inter 2 372 Note 1 59 61 Pass 348 61 64 Pass 409 3764553 1 SHAFT dist to pump inter 2 372 Note 1 55 57 Pass 8 cyl 3701731 1 SLEEVE drive Wu I D x 1 z O L 58 59 Pass 8 cyl 3877672 1 SLEEVE dist to oil pump inter shaft NOTE 1 For use with pump having retainer ring groove 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 30 tj 1 531 1 639 1 20