Regitar USA Ignition Module f/Mercruiser Engines: 350MAG MPI, 4.3L, 5.0L, 5.7L Engines (1981-97) w/THUNDERBOLT Electronic Ignition [RMG005] Brand_Lewmar Also works well at protecting

Also works well at protecting against rust corrosion and anti-seize applications

The EZ Loops will lock in place with the combined pressure of the hood and the pulling transportation strap

Fits all Popular Sailboat Steering Pedestals

Can be used as becket block

Speaker Size 6"" Peak Power 120 Watts RMS Power Rating 30 Watts Efficiency (1W/1M) 87 dB Frequency Response 100 Hz - 18 kHz Nominal Impedance 4 Ohms Recommended Amplifier Power (RMS) 15 - 80 W/Ch Tweeter Type Aluminum dome Cone / Surround Material Polypropylene with rubber surround Mounting Diameter Clearance 138mm x 138mm [5-7/16"" x 5-7/16""] Mounting Depth Clearance 70mm [2-3/4""] Optimum Enclosure Volume (Sealed enclosure

Regitar USA Ignition Module f/Mercruiser Engines: 350MAG MPI, 4.3L, 5.0L, 5.7L Engines (1981-97) w/THUNDERBOLT Electronic Ignition [RMG005] Brand_Lewmar Also works well at protectingIgnition Module for Mercruiser Engines: 350MAG MPI, 4. 3L, 5. 0L, 5. 7L Engines (1981 97) with THUNDERBOLT Electronic Ignition Ignition Module for Mercruiser Engines: 350MAG MPI, 4. 3L, 5. 0L, 5. 7L Engines (1981 97) with THUNDERBOLT Electronic Ignition. Engine Brand: Mercury Mercruiser Fitment: 350MAG MPI, 4. 3L, 5. 0L, 5. 7L engines (1981 97) with THUNDERBOLT electronic ignition Brochure (pdf)