From the 1984 Nissan Competition Catalog, Suspension section
1200 Front SPRINGS (114 LBS/IN) B210 Front SPRINGS (80 LBS/IN) progressive rate
1200 STRUTS 45mm B210 STRUTS 2" 1200 REAR BUMP STOP (Height = 50mm) B210 REAR BUMP STOP (Height = 92mm)
PART NO. DESCRIPTION QTY. REQ. 45010-H1070 SPRING FRONT (112 LBS/IN) 2 54302-H1072 STRUT/RF 1 54303-H1072 STRUT/LF 1 55020-H1023 SPRING/REAR (140 LBS/IN) 2 55240-H1824 BUMP STOP/REAR (H = 50MM) 2 56210-H1823 SHOCK ABSORBER/REAR 2
Same description as the 1200 system, except the front springs are progressive rate type.
PART NO. DESCRIPTION QTY. REQ. 45010-H5020 SPRING FRONT (80 LBS/IN) 2 54302-H5020 STRUT/RF 1 54303-H5020 STRUT/LF 1 55020-H5020 SPRING/REAR (140 LBS/IN) 2 55240-H5020 BUMP STOP/REAR (H = 92MM) 2 56210-H5020 SHOCK ABSORBER/REAR 2