Mercury - Basic Gear Housing Assembly - Silver - Fits 5.44 Torpedo Lower Units Only - See Below for Applicable Engines - 8M014288 200 HP 4.6L V8 Pro XS - Serial number range 2B529482 and above 225 HP 4.6L V8 Pro XS - Serial number range 2B529482 and above 225 HP 4.6L V8 SeaPro - Serial number range 2B529482 and above 250 HP 4.6L V8 - Serial number range 2B529482 and above 250 HP 4.6L V8 Pro XS - Serial number range 2B529482 and above 250 HP 4.6L V8 SeaPro - Serial number range 2B529482 and above 250 HP 4.6L V8 Verado - Serial number range 2B529482 and above 250R HP 4.6L V8 Racing - Serial number range 1E080500 and above 300 HP 4.6L V8 - Serial number range 2B529482 and above 300 HP 4.6L V8 Pro XS - Serial number range 2B529482 and above 300 HP 4.6L V8 SeaPro - Serial number range 2B529482 and above 300 HP 4.6L V8 Verado - Serial number range 2B529482 and above 300 HP 4.6L V8 Verado SeaPro - Serial number range 2B529482 and above 300R HP 4.6L V8 AMS Racing - Serial number range 1E081459