. "2.00025" . . . "4-speed synchromesh manual" . . . "Chevrolet Apache (C10-40)" . . . . "Chevrolet and GMC pickups of the 1960s" . "1960" . "GMC: 1000/K1000" . "Chevrolet & GMC pickup trucks" . . "3-speed synchromesh manual" . "Chevrolet/GMC C/K (first generation)" . "1.80975" . "4.746625" . "Chevrolet Viking (C50-60" . "1966" . . . "2500" . . . . . . "1500/K1500" . "Chevrolet Spartan (C70-80)" . . "2-speedPowerglideautomatic" . . . . "GM C/K" . . . "Chevrolet C/K (first generation)" . . "Chevrolet C/K (first generation)" . . "3000 to 6500 (medium to heavy-duty)" . "2.921" .