RISER, INDMAR, 20-0102

Replaces Indmar 53-2018 and 53-2009, and Barr 20-0100. Has 3" outside diameter outlet (accepts 3" exhaust hose) and 30 degree down-angle. Does not replace 3.5" outlet version (53-2027). Riser mating bolt dimensions are 4" (101.6mm) by 2-5/8" (66.7mm) bolt center-to-center.