Description Model/Year Req'd Bore Size Sleeve Description Thickness O.D. Sleeve Length Install Type 90 hp 60 Degree FICHT 99-01 4 3.600"(91mm) Straight sleeve with ports cut in. Top of exhaust to top of sleeve 1.600" 0.09375" 3.800" 5.060" RS Installation Instructions
Mercury 6 Cyl. 135 HP Optimax 60 Degree 2.5L 99-04 Replacement Cylinder Sleeve $141.95 Add to Cart Compare
Mercury 6 Cyl. 175 HP 60 Degree Optimax 2.5L (153 C.I.) 99-04 Replacement Cylinder Sleeve $141.95 Add to Cart Compare
Mercury 6 Cyl. 135 HP Optimax 60 Degree 2.5L 99-04 Replacement Cylinder Sleeve $141.95 Add to Cart Compare
Mercury 6 Cyl. 175 HP 60 Degree Optimax 2.5L (153 C.I.) 99-04 Replacement Cylinder Sleeve $141.95 Add to Cart Compare