Ignition Points Condenser - GMC C15/C1500 C25/C2500 K15/K1500 K25/K2500 Pickup 67-74 DR3575CT. Ignition Points & Condenser - DR3575CT GMC C15/C1500 C25/C2500 K15/K1500 K25/K2500 Pickup 67-74. GMC C15/C1500 C25/C2500 C35/3500 Pickup 1967 V84.6L 283cid.