BSA A7, A10 Bolt-on plunger frame & C11 4 speed
BSA C11 with 4 speed
BSA A7 and A10 in a rigid frame or plunger frame have the gearbox bolted to the engine block.
BSA C11 with 4 speed
BSA A7 and A10 in a rigid frame or plunger frame have the gearbox bolted to the engine block.