The BMC Direct Intake Air System universal induction kit, 85mm diameter, is specified for engines with displacement over 1600cc. Supplied as a universal induction assembly, the kit’s 85mm throat dimension is intended for larger-displacement applications and is offered as a standardized intake component to be fitted where that diameter and engine size apply. The product copy emphasizes the diameter and displacement guidance for correct selection.
BMC Universal Direct Intake Air System Induction Kit 85mm Diameter (Displacement Over 1600cc)