Sleipner Overview All / Tunnels and Flanges / Stern Tunnels All Thruster Packages AC Thrusters DC Thrusters Hydraulic Thrusters Electrical Components Spares Tunnels and Flanges SX Extension Blocks Bow Thruster Tunnels Stern Tunnels Stern Thruster Cowls Mould Flanges Upgrade Kits Stern tunnel kit for 125mm SE30/40 £381.46 Add To Cart Stern tunnel kit for 185mm SE60 £412.85 Add To Cart Stern tunnel kit for 185mm SE80/100 £412.85 Add To Cart Stern tunnel kit for 215mm SE120/150 £844.00 Add To Cart Stern tunnel kit 250mm, split SE130/170/210 £599.65 Add To Cart Stern tunnel kit for 250mm SE210 SH240 £926.44 Add To Cart Stern tunnel kit for 300mm SE250/300 SH320 £976.39 Add To Cart Stern tunnel kit for 386mm SH420/550 £2,877.99 Add To Cart