USP Marine Tuning MAX+ Ignition Service Kit for Mercury Verado L6 Engines 135hp M2 subwoofers are equipped with

M2 subwoofers are equipped with a VersaSwitch™ to make changing impedance between 1 and 4 ohms as easy as flipping a switch

Mercury 450R

Rear mounting brackets

Balanced Differential Inputs eliminates noise picked up by signal cables

Generally speaking

USP Marine Tuning MAX+ Ignition Service Kit for Mercury Verado L6 Engines 135hp M2 subwoofers are equipped withWe have paired our best selling L6 ignition parts to save you money on your general service! Generally speaking, these should be done every 200 300 hours depending on boat use! Kit includes: NGK Laser Iridium Max+ Performance Spark Plug for Mercury Verado L6 300 400 (Set of 6) Spark plugs are responsible for providing an ignition source inside your engines combustion chamber. Energy is transferred from the ignition coil to the plug which creates a