Designed specifically for marine applications, these Heavy Duty Circular Shear Mountings provide excellent vibration isolation.
The rubber component is covered by an oil shield to protect it from petroleum based products.

These mounts are pre-loaded 0.12", based on the anticipated combined engine and transmission weight, to limit engine movement.
To facilitate in the ease of installation the mounts are height adjusting.
These particular mounts are unusual in having one mounting hole adjustable longitudinally, while the other is adjustable transversly, to assist in alignment of the drivetrain.

Typical applications include 4 & 6 cylinder engines
Offers a fail safe design
Corrosion protected for long service life
Deflection: 0.12" - 0.25"
Base height to top of oil shield at the base of the stud: 3.41"
Height adjusting nut: 0.63" thick
Overall mount dimensions: 6.88"L x 4.00"W x 7.22"H

Note: You need to keep the engine foot low on the stud: the Maximum clearance between the bottom of the lower height adjusting nut and the oil shield on top of the base is 3/8" (10mm); if more height is required, a spacer is recommended under the mounting casting
When calculating mount requirements, remember to include weight of engine, transmission, and all fluids