Hydrofoil SST - SPECIAL!!! lexusconversion Tawco couplings usually have 3/8

Tawco couplings usually have  3/8 Course Bolts

Standard Chev is early 2 piece rear main

Very popular for all boating application from ski boats to half cabs

Combines a thru-hull skin fitting cast into a water scoop strainer

these are  3/8 unc into head reduced to 5/16  manifold studs while port alignment with cylinder heads is the same the clearance for a larger stud and nut makes them difficult to fit

Hydrofoil SST - SPECIAL!!! lexusconversion Tawco couplings usually have 3/8LOOK at that Price Super Special Limited Stock !!!! These foils offer superior design and construction. The SST model is a Hydrofoil that uses the latest technology to give a superior product at a low cost. Will fit virtually any outboard or sterndrive 5 HP and over. Hydrofoils can be a valuable addition to many boats and offer the following benefits. Saves Fuel Boat planes in faster time Stops bow rise Gives a smoother ride Increases stabilty Reduces