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...

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...

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...

A proper understanding of the racing rules is crucial to success on the water and there is no better guide to the latest rules than Bryan Willis. Bryan has been chairman of the jury and chief umpire for some of the most prestigious sailing events in the world, including the America’s Cup and Olympic...

Spark plug set 863656A1 is for use on V-8 MerCruiser stern drive and inboard engines (5.0L, 5.7L and 6.2L MPI) with ECM 555 (serial number 0M300000 through 2A455878). The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 6...

Japan movement, Luminous hands & numbers, Small white markers with tiny white numbers on outer dial, Silver bezel, Stainless steel crown & caseback, Water resistant Features:Water Resistant - 50MMineral CrystalLuminous Silver Tone Hands and MarkersStainless Steel ase and Bracelet, Push Button Releas...

The Style 396-1 is a center-fed, 1/2-wave, coaxial sleeve VHF marine antenna of 5' (1.5 m) overall length. The one-section antenna has a chrome-plated brass ferrule, and is designed to reduce signal fading when working on rough seas. Application/Usage: Marine Application/Usage: Marine Package Conten...

Professional rebreather diving instructor Jill Heinerth helps divers navigate the complex, and sometimes intimidating world of rebreather diving. Providing clear, candid and straightforward information based on her decades of exploration and teaching experience, Jill leads readers through the histor...

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...