Toggle user data 0 Login Log in Username: Password: Remember me Fill username password Forgot password 18-1921 Elbows-OMC OMC Risers-OMC SIERRA OMC log style elbow. Fits OMC applications up to 1993. For use with 18-1902 (starboard manifold) and 18-1903 (port manifold). Out of stock $288.97 $260.00 Add to cart Description Tags 18-1902 18-1903 305 350 5.0 5.7 909863 OMC Related products HGE 3394 HGE 0082 18-7824-2 HGE 3784 18-1903 18-6275 2504 HGE 2076 HGE0045 18-9400-4 HGE 3785 R7220X HGE 4354 ADJ 12552422 18-7876-1 ×