Thermostat O-ring style rubber gasket 806871Q is for v-6 and V-8 mercruiser stern drive and Inboard engines made by general motors using the newer style, one-piece thermostat Housing. It can also be used on cruiser 4.5L MPI (multi-port injection) and 6.2L mph engines (small/N 2A456613 and up). the Q...

Paul Elvstrom Explains the Racing Rules of Sailing This handy-sized book with its signature plastic protest boats has been the most trusted reference for racing sailors at all levels for over 40 years. Written by a sailor for sailors, it promotes a greater understanding of the rules so that everyone...

The American Practical Navigator, first published in 1802, was billed as the “epitome of navigation” by its original author, Nathaniel Bowditch, an early American mathematician who is often considered the founder of modern maritime navigation. The text, often colloquially referred to simply as “Bowd...

BEAR.BUD. II W/AUTO CHECK 2/CDBEARING BUDDY II WITH AUTO CHECKAllows for quick positive visual check for lubricant level and internal hub pressure. Auto pressure control feature prevents overfilling and avoids hub seal damage.1980A is chrome/brass; 1980ASS is stainless steel. Diameter 1.980"."Accord...

Impeller KitMaterial:NeopreneDrive Type:Spline DriveNumber of Blades:12Dimensions:Diameter:2-1/4"Shaft Width:1-1/4"Shaft Diameter:5/8"Insert Material:BrassJabsco flexible impellers can be fitted to most makes and models of bronze flexible impeller engine cooling, bilge, transfer and general purpose...

Our lanyards have been used by the pros for years. They are made of marine grade webbing, neoprene and Velcro material for strength, safety, and dependability. These lanyards will stay secure during the most strenuous riding, including racing. Can be used as a wrist lanyards, or unclip and use as a...

RK Racing Chains have been chosen by more FIM World Championship teams and AMA World Superbike/Super-Sport Teams than any other chain in the past 25 years! All RK Motocross chains utilize special heat treated hi-carbon steel components with solid rollers and bushings.Pre-stressed for maximum perform...

This has, for 20 years, been the definitive book on wind for racing sailors worldwide.Contains easy-to-understand conceptual models of wind behaviour. So that wherever you are it trains you to recognise what the wind is doing and why. The 3rd edition has:Detailed wind analysis of the world’s most po...

Water is the most essential component of any emergency kit. Datrex Water Packets uses a complex filtering and packaging process to insure their water sachets are safe for 5 years in even the harshest conditions. Each sachet contains 125mL of water. Perfect for rationing. And the strong, yet lightwei...

The ILFR6GE Laser Iridium series plugs come pre-gapped as specified by your engine manufacturer. Always check the gap prior to installation. Use only the spark plug listed in your engine owner's manual. Using the wrong plug can reducing optimum performance, reduce fuel economy or cause damage to you...

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 decals have only the design/text computer cut from vinyl and have "empty space" everywhere else. There is no background. The color of the background shows through. The graphics come with a paper backing on the back and application tape on the front. Peel the paper backing from the decal, leavi...