1968-1974 Chevrolet Frostbite Aluminum Radiator, 3 Row, GM LS Swap, 21 In. Core FB306

High-Horsepower street cars and truck can be a challenge to keep cool. A proper cooling system starts with the right radiator. Aluminum Radiators cool more effectively and weight less than older OEM style brass units. Choose from a variety of popular application specific fitments.Holley is proud to introduce its latest offering - Frostbite Performance Cooling Products.When it comes to keeping your ride cool, Make it Frostbite!Features:100% TIG welded (brazed) seamsAircraft quality aluminum core, fittings, and tanks (up to 30% weight savings)Dual Pass, Cross Flow design to maximize cooling efficiencyBillet Aluminum Filler Neck and OEM style Brass PetcockMore cooling fins per inch for more efficient coolingCustom Frostbite High Performance 16lb. radiator capPolished top and tanks for custom show appearance3-Row Radiators supporting applications with 600+ horsepowerManufacturer’s 1-year Limited WarrantySpecifications:# of Passes: DualCooling Row Diameter: 11/16 inchCore Dimension: 17 x 20-3/4 inchCore Thickness: 2.20 inchFlow Style: Dual PassHose Location Inlet: PassengerHose Location Outlet: PassengerInlet / Outlet Size: AN BungsInlet Size: AN BungsMounting Type: Saddle MountOutlet Size: AN BungsOverall Dimension: 18-1/2 x 26 inchRows: 3Steam Port Fitting Size: 1/4 inch NPTTranscooler Provision: No

Manufacturer Part Number : FB306

Part Notes:

Direct-fit For 1968-1974 GM X-Body with GM LS Swap 4.8/5.3/6.0/6.2/7.0L (3-Row) 21 inch Core Inlet and Outlet fittings are available separately in three different sizes based on your hose size needs. While there is no specific size to use with a particular swap, a good general rule of thumb: 4.8L GM LS Engine 1.25 inch inlet (FB400), 1.50 inch outlet (FB401) 5.3L GM LS Engine 1.50 inch inlet (FB401). 1.50 inch outlet (FB401) 5.7L GM LS Engine 1.50 inch inlet (FB401), 1.50 inch outlet (FB401) 6.0L GM LS Engine 1.50 inch inlet (FB401), 1.75 inch outlet (FB402) 6.2L GM LS Engine 1.50 inch inlet (FB401), 1.75 inch outlet (FB402) 7.0L GM LS Engine 1.75 inch inlet (FB402), 1.75 inch outlet (FB402) This again only serves as a guide and any size fitting can be utilized with any LS-Swap Radiator.