Here are the relevant mounting dimensions:Mounting Information Overall Diameter 15.15", 384.8mm
Baffle Hole Diameter 13.77", 349.6mm
Front Sealing Gasket fitted as standard
Rear Sealing Gasket fitted as standard
Mounting Holes Diameter 0.25", 6.4mm
Mounting Hole B.C.D. 14.56", 369.9mm
Depth 6.05", 153.6mm
Shipping Weight 14.6 lbs, 6.6 kg