Sea Strainer, Adjustable Water Pressure Relief Valve 3/4" NPTThis spring loaded adjustable water pressure relief valve is perfect for bleeding off excess engine water pressure caused by pressure spikes in an engines cooling system.

The Stainless Steel oil filter head can be mounted conveniently in a vertical upward layout or vertical downward configuration

Billet Flush Fuel Tank Breather: Our flush mount Fuel Tank Breather is machined from 6061-T6 Billet Aluminum

Dimensions: 14 1/2" Overall length

Replaces Mercruiser Part #90081T1 and casting # 90081C

SM has designed an exhaust pattern machining fixture that when attached to the factory cylinder head will allow boring

Designed for use with Livorsi

Note: Uses 14 AWG wire

but it makes installation a snap

Incorporating a large single 3/4" NPT inlet port and dual 3/4" NPT outlet ports the oil lines can be run straight thru or 90 degrees from each other There is also an 1/8" NPT port in the filter head that can be used as a oil pressure gauge access point of plugged if it's not needed Constructed for 316L Stainless Steel and polished to a mirror finish the construction and appearance of this assembly top notch

As engine oil temperature reaches its optimum operating temperature moisture and impurities that often cause a milky condition are eliminated

Make sure that you have adequate clearance with transom or your boat or swim platform when tilting the drive

Xtreme Remote Horizontal Rear Port Cylinder Head Mount HP4 or HP6 Oil Filter Head