BRA - Male Pipe Elbows, Part No. 133-1/4x1/8 - I.P.S. 1/4 x 1/8'' Outlet Hose Flange Diameter Thread Length Options:Gold Trim - Chrome Shade - 24V CHFSW The NS6653 model has Marine East

Hose Flange Diameter  Thread Length 1" 2-3/8" 1-1/2"

however once you take your foot off the accelerator to slow down or touch the brakes then the regen system leaps into action

6 Dimensions with valve H x W x L (mm) 487 x 302 x 701 Dimensions with valve H x W x L (inch) 19

Thru-Hull Size  Screw Size Inside of Flange Size 1-1/2"-2" #8 3-3/4"

BRA Male Pipe Elbows, Part No. 133 1 4x1 8 I.P.S. 1 4 x 1 8'' Outlet Hose Flange Diameter Thread Length Options:Gold Trim Chrome Shade 24V CHFSW The NS6653 model has Marine East Hose Flange Diameter Thread Length 1" 2 3 8" 1 1 2" however once you take your foot off the accelerator to slow down or touch the brakes then the regen system leaps into action