Description TURNING POINT Masterguard Propeller Hub – 504 Kit, Volvo 90-300 HP with a 4.75″ Gearcase This Turning Point’s Masterguard 504 Series Installation Propeller Hub Kit is suitable for 90-300 HP Engines with a 4.75″ Gearcase. The hub system enables the end-user to economically carry a spare or different diameter/pitch propeller to suit the days skiing, fishing or cruising activities. 500 SERIES INSTALLATION KITS FEATURES Premium corrosion resistant brass splines. Eliminate hub system vibration & chatter. Reduce gear shock & engine/drive damage. Reduce prop replacement cost by up to 50%. Lifetime Warranty for Engines Under 200HP. Compatible with and upgrades competitors’ hub & prop systems. Interchangeable with Mercury Flo-Torq II, Michigan Wheel XHS, Solas Rubex hub kit systems. NOTE: These are not applicable with Turning Point’s 10, 20 and 200 Hub Kit series. HUB KIT SPECIFICATIONS ENGINE BRAND SPLINE SHAFT HORSEPOWER KIT PART NUMBER SUITABLE ENGINES NOTES VOLVO 19 Penta SX & OMC SX Cobra: (’94 ) 3.0 to 8.2L. Not available for Volvo DuoProp or Aquamatic drives. 504 203504 90-300 HP Engines with a 4.75″ Gearcase Not available for Volvo DuoProp or Aquamatic drives. TWO (2) STEPS TO CHOOSE THE RIGHT PROPELLER HUB KIT & PROPELLER To find the correct Installation Kit: locate the HP, gearcase size, and prop shaft spline count of the outboard or sterndrive. STEP 1: Find the installation kit suitable to your outboard engine drive shaft type listed in the table above. If the type is not listed, kindly check other Turning Point’s hub kits. STEP 2: Find and purchase the chosen propeller suitable to the installation kit (see listed propellers below) (NOTE: Propellers must be purchased seperately.) The following are the suitable propellers to this installation kit: Turning Point Aluminium 3 Blade Hustler Propeller LE Models for (90-300 HP) 202413 LE-1515 / 15.25 Dia. x 15 Pitch 202417 LE-1417 / 14.25 Dia. x 17 Pitch 202421 LE-1419 / 14.25 Dia. x 19 Pitch 202425 LE-1421 / 14.25 Dia. x 21 Pitch 202429 LE-1423 / 14.25 Dia. x 23 Pitch Turning Point Aluminium 4 Blade Hustler Propeller LE Models for (90-300 HP) 202426 LE-1515-4 / 15 Dia x 15 Pitch 202427 LE-1515-4L / 15 Dia x 15 Pitch 202430 LE-1417-4 / 14.5 Dia x 17 Pitch 202431 LE-1417-4 / 14.5 Dia x 17 Pitch 202432 LE-1419-4 / 14 Dia x 19 Pitch 202433 LE-1419-4L / 14 Dia x 19 Pitch 202434 LE-1421-4 / 14 Dia x 21 Pitch 202435 LE-1421-4L / 14 Dia x 21 Pitch Turning Point Mach3 Express 3 Blade Stainless Steel Propeller EX Models for (90-300 HP) 202813 EX-1417 / 14.25 Dia. x 17 Pitch 202815 EX-1419 / 14.25 Dia. x 19 Pitch Turning Point Mach4 Express 4 Blade Stainless Steel Propeller EX Models (90-300 HP) 202850 EX-1515-4 / 15 Dia. x 15 Pitch 202852 EX-1417-4 / 14.5 Dia. x 17 Pitch Turning Point Mach4 Express OS 3 Blade Stainless Steel Propeller OS Series, Large Diameter (90-300 HP) 202900 OS-1617 / 15.6 Dia. x 17 Pitch 202902 OS-1619 / 15.6 Dia. x 19 Pitch ABOUT TP’S MASTERGUARD HUBS The hubs are engineered to withstand typical wear and tear over time without risk of spinning or failure under normal operational use. It is also designed as a innovative one-piece glass with reinforced high-tech, shock absorbing, polymer cushion that increases flexibility and eliminates failures commonly seen in multi-part hub “sleeve and spline” designs, and pressed-in rubber hub systems. The high-flow through barrel exhaust system maximises exhaust flow increasing horsepower and top end speed. When buying a replacement propeller housing, boaters can save in costing as Turning Point offers an inventory reducing installation kits and prop housings system made to be in full line of propeller applications. The 500 & 700 Series Installation Kits (for 4.25 & 4.75″ gearcases) interchanges with other manufacturers’ propellers. With clear and easy to understand directions to make installation easy and convenient. The splines are made of premium corrosion resistant brass material. The hubs are suitable to upgrade and replace Mercury Flo-Torq II, Michigan Wheel XHS, and Solas Rubex hub kit systems.