GM LS ENGINE / MENDEOLA 2D/S4 TRANSMISSION MOUNT BILLET ADAPTER PLATE 8 BOLT CRANKSHAFT WITH HARDWARE. These billet transmission adapter plates allow you to mount a Mendeola 2D/S4 style transmission to a GM LS style engine with a 8 bolt crankshaft. CBM Motorsports half inch thick billet transmission adapter plates provide the durability and performance […]