Northern Aluminum Radiator 55-57 Chevy w/LS Engine H77203FL Side B is 5/16"

Side B is 5/16"

Tremec TKO 500 / 600 / TKX

- w/Split Lock Washer and Standard Thick Ground Washer

Stock Axles

Northern Aluminum Radiator 55-57 Chevy w/LS Engine H77203FL Side B is 5/16"Northern All Aluminum Muscle Car Radiator Double Pass W Connections On Right. Installation Of This Radiator Will Require Modification Of The Vehicle's Radiator Core Support. Vehicle Applications: 1955 1957 Chevrolet Bel Air Northern Radiator is a distribution based company, providing high quality heating and cooling products for over 40 years. At Northern, quality is our way of life and a commitment made by every employee to provide the best service