T143 Engine for 2007-Up Touring Models - Wrinkle BlackS&S T143 Engine fits 2008 '16 HD touring bikes except Twin Cooled models. If Bigger is Better, the T143 is the Best The Biggest, baddest, bolt in for a Stock Frame. All joking about size aside, it does matter. The S&S T143 Long Block engine for 2008 later Harley Davidson touring models is the largest S&S engine that will fit in a stock Harley Davidson chassis. Its big, 143 cubic inches. Nuff said. At double the HP of a stock motor the power of the