Tanks offers a wide range of senders for your GM product. Standard 0-30 ohm for pre 1964 and 0-90 ohm for your post 1964 build.
1947-59 GM Truck Fuel Sender with Pickup Tube DI-T60
1955-57 Chevy Pass Car Fuel Tank Sending Unit - 3/8" Pickup 567-SU
1958-60 Chevy Fuel Sender with 3/8" Pickup Tube FG142B
1960-66 Chevy & GMC Truck Fuel Sender - 0-30 OHM FG60B
1961-64 Chevy Bel Air & Impala Fuel Sending Unit FG89A
1962-65 Nova Fuel Sending Unit FG90B
1963-67 Corvette Fuel Sender FG101A
1968-74 Corvette Fuel Sender FG102A
1964-67 GM A Body Fuel Sender FG88D
1965-66 GM Full Size Fuel Sending Unit FG88B
1966-67 Chevy Nova Fuel Sending Unit FG90D
1967-69 Camaro & Firebird Fuel Sender with 3/8" Tube FG104B
1967-70 Chevy Full Size Fuel Sender FG105A
1967-72 Chevy and GMC Truck Fuel Sending Unit FG71B
1968-70 GM A Body Fuel Sending Unit FG91B
1967-69 Camaro and 68-72 Nova Fuel Sender with 5/16" Tube FG104C
1970-73 Camaro & Firebird Fuel Sender FG126A
1971-72 GM A Body Fuel Sending Unit FG91D
1976-81 Camaro, 76-79 Nova & 76-79 Skylark Fuel Sender FG103B
1941-54 GM Fuel Sender with 5/16" Pickup Tube - 0-30 OHM B1-S
1941-54 GM Fuel Sender with 3/8" Pickup Tube - 0-30 OHM B1-S2