Mercury Marine 40/50/60 hp 4-Stroke EFI Oil Change KitMercury oil change kits contain industry-leading Mercury 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a high-tech, advanced set of anti-wear additives...

Provides conventional motor oils with anti-wear additives like zinc and phosphorus (ZDDP) necessary to protect against camshaft and valvetrain damage on break-inAllow pistons rings to seat properly with less-slick oil while anti-wear additives protect other engines components to avoid excessive wear...

An ACDelco GM Original Equipment Engine Camshaft Position Sensor monitors the rotational position of the camshaft(s), and is a GM-recommended replacement for your vehicle’s original component. It provides a signal to the engine control module, which compares the camshaft position with the crankshaft...

Mercury Marine 75/90/115 hp 4-Stroke EFI Oil Change KitMercury oil change kits contain industry-leading Mercury 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a high-tech, advanced set of anti-wear additives...

Dual Overhead Cam Lock Tool locks Camshaft sprockets in place during belt or chain replacement.

This remote starter switch is ideal for compression tests or for valve, distributor or camshaft adjustment. It includes a "power-tool" type trigger switch for regular use with medium currents and heavy duty neoprene leads. It comes with a 10-amps and the medium current clips open to 1/2-in. It also...