RTS OE, Sandwich Plate, Transmission to Block, 157 Tooth, Manual Transmission, Windsor, EachEngine components need room to function properly. RTS OE transmission to block spacer plates provide sufficient area for your flywheel, starter, and ring gear operation. These steel plates are precision cut for the correct fit in your classic car's engine. Not too little, not too much; RTS OE plates locate your engine components in just the right place. Replaces oem : C5DZ 7007 A Note : Will fit Cleveland if using 157 tooth bellhousing and flywheel