About Sierra Sierra is dedicated to protecting you and your investment. For 50 years Sierra, one of the most trusted names in the marine industry, has proudly been offering high quality engine and drive parts. Their products meet or exceed the original equipment part it replaces and are engineered t...

These patented Ultra-Tow High-Performance Stainless Steel Bearing Protectors protect hub bearings on all types of trailers from water and dirt. Kit includes two bearing protectors featuring grease level indicators, which indicate when grease should be added. Bearing protector covers sold separately....

These patented Ultra-Tow High-Performance Stainless Steel Bearing Protectors protect hub bearings on all types of trailers from water and dirt. Kit includes two bearing protectors featuring grease level indicators, which indicate when grease should be added. Bearing protector covers sold separately....

ONE PIECE PERFORMANCE PLUG. If you need utmost ignition performance & spark voltage at unparalleled levels don't miss the chance to purchase our racing plugs. Misfires are now controlled & racing plugs will allow you to have steadily high levels of improved acceleration & throttle response. Due to B...

If like most do-it-yourselfers you've relied on a sketchy owner's manual or one of those abstruse shop manuals written for professional mechanics to keep your onboard running, here's an end to your frustration. This abundantly illustrated nonthreatening guide is filled with effective maintenance, re...

Explosive acceleration. Instant throttle response. Significant horsepower gains throughout the entire powerband. Proprietary lay-up offers superior reed durability. Petals: Carbon fiber, all new proprietary lay-up designed exclusively by Moto Tassinari.Arctic Cat Thundercat 1995-2002Arctic Cat ZL 50...

High performance stainless steel Apollo propeller with an exchangeable hub system! The Apollo propeller is a proven combination of performance and durability that will wake up your sterndrive or outboard. Michigan Wheel's Xchangeable Hub System absorbs impact and stress caused by shifting gears and...

Having a safety back-up air supply has many advantages over a standard alternate air source. The most obvious is that it is a separate air supply and allows self rescue in an emergency out of air situation. We are taught to stay with our buddy so that in case of an emergency they are right there rea...

This book concentrates on how RobotBASIC programs can interface with a wide variety of off-the-shelf hardware. Many options will be explored including both serial and parallel ports and how a separate microcontroller can be used to handle the low-level I/O operations. You will even see how vision, s...

ONE PIECE PERFORMANCE PLUG. If you need utmost ignition performance & spark voltage at unparalleled levels don't miss the chance to purchase our racing plugs. Misfires are now controlled & racing plugs will allow you to have steadily high levels of improved acceleration & throttle response. Due to B...

Raymarine's new HD Digital radome scanners combine the power and clarity ofHD Digital signal processing with an ultra-compact scanner suitable for alltypes of vessels. Compatible with C-Series Widescreen, E-Series Widescreenand G-Series Multifunction displays these radomes offer a 256-color radardis...

Our Cutting Edge Boat Cover will provide continuous year round protection for your boat both indoor and outdoor. - Built to Last: Our covers are newly designed to outlast any other cover. - Multi-function Design: Our covers are designed for all purposes including trailering, storage, and mooring of...