- Metal - w/o Collared - California Connections. Straight slide on connections, use hose clamps to connect fuel line. (117mm in length) - Metal - w/o Collared - Digifant Injection Connections. Straight slide on connections, use hose clamps to connect fuel line. (117mm in length) - Metal - w/o Collared - PF & RV Engines - Digifant Injection Connections. Straight slide on connections, use hose clamps to connect fuel line. (117mm in length) - Metal - w/o Collared - PF Engine - Digifant Injection Connections. Straight slide on connections, use hose clamps to connect fuel line. (117mm in length) - Metal - w/o Collared Connections. Straight slide on connections, use hose clamps to connect fuel line. (117mm in length) - Rover did a recall/up-date of fuel tanks on 87 to 90 models. If the tank has been replaced use fuel filter part # NMD 6091 AC . STC 1677 type filter has 2 push on fittings (71 028 BOS) NMD 6091 AC filter has 2 female thread on/in fittings - Series 3 -