For those of you building a single cam D-series engine or currently have one pumping out a huge amount of horsepower, now your having transmission issue’s such as gear ratio’s, final drive’s that is affecting your performance or just simply breaking apart due to high horsepower. Now you want a transmission that’s more sufficient as a B-series transmission. As for gear set’s, dog engagement gear’s, and final drive’s many are available in the market. To make this possible Evolution Industries designed an adaptor plate kit to mate the B-series transmission to the D-series engine. KIT INCLUDE: Evolution transmission adaptor plate, Evolution aluminum forged flywheel, Evolution twin disc flywheel for Tilton clutch set up optional, aluminum pillow mount block, pillow mount template, and bolt’s.