This BladeRunner GT Series Radiator keeps your 2007-11 Jeep Wrangler JK with the 3.8L running cooler, longer. 100% aircraft-grade 5052 aluminum, 1-3/4" bar and plate core design and 1/8" aluminum fabricated end tanks handle rock-crawling and street hauling. Includes upper and lower 5-ply polyester reinforced silicone hoses and quality stainless steel, T-Bolt clamps for a simple, secure installation. Unique 1-3/4" Bar and Plate Core Design: 25% more efficient than factory tube and fin core design. The BladeRunner features a bar and plate core design which provides greater heat dissipation and better coolant flow for optimum cooling efficiency. Flow and Performance: Aircraft-grade aluminum construction and larger core offers 25% more coolant capacity to maintain cooler temperatures. Includes both upper and lower 5-ply polyester reinforced silicone hoses that withstand high-temperatures and outlast factory rubber hoses. End Tanks: The unique BladeRunner end tanks are constructed out of 1/8'' TIG-welded aluminum plates for strength and durability. Billet Aluminum Inlet/Outlet: 1 1/2" diameter billet aluminum inlet and outlet for long-lasting reliability. TIG-Welded: 100% TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. Brass Drainage Valve: This radiator includes a 1/4" NPT brass drain valve with a barbed fitting to connect a hose for draining coolant easy and mess free. Perfect Fit: Utilizes the factory mounting locations to provide stability for a hassle-free installation. Includes high quality, stainless steel, T-Bolt clamps and heavy-duty 5-ply silicone hoses for strength. Custom Appearance: Brushed aluminum finish with an aFe Power logo painted on the front. Radiator hoses are finished in black silicone with an aFe Power logo printed on them.