Edelbrock heat exchanger part #15406 is a single pass/two 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 #15406 is a Single Pass/Two Row Univ Product Features:Single Pass/Two Row Construction22000 btu/hr BTU Rating26.58 in. L x 5.2 in. W x 2.62 in. Thickness6 - M6 x 1.0 Threaded BungsMade In The USA
