Transmission Expansion Tank, Billet Aluminium, 2.75 Inch O.D., 2.715 Inch I.D. x 7.050 Inch long Both heavy duty and good looking-finish can be left as is, polished, powder coated or painted Meets requirements of 1-1/2 pint transmission NHRA overflow rule Prevents fluid mist from spraying on the race surface, behind your car and tires Pressurized fluid is captured in the Tank and will drain back into the transmission as it cools Includes breather and billet Aluminium mounting bracket Designed with an integral baffle *Not legal for sale or use on pollution-controlled vehicles