Edelbrock heat exchanger part #15407 is a single pass/single row design and delivers 22,000 btu/hr Includes a 3/4in. barbed inlet and outlet for plumbing, along with M6x1.0 threaded bungs for mounting. Heat exchanger part #15407 is a Single Pass/Single Ro Product Features:Single Pass/Single Row Construction22000 btu/hr BTU Rating15.71 in. L x 16.41 in. W x 1.03 in. Thickness6 - M6 x 1.0 Threaded BungsMade In The USA
