2011 Hot Products Catalog

RIVA ULTRA VALVE TRAIN UPGRADE KIT Riva’s Valve Train Upgrade Kits increase the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes lightweight, precision-machined titanium valve retainers, racing valve springs, and base washers. Description Part No. RIVA Ultra Valve Train Upgrade Kit RK19085-VTU Ultra (All), STX-15F RIVA VALVE COMPRESSION TOOL Riva’s overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to pressurize cylinder keeping valves in place during removal of stock springs and keepers. Fits both Yamaha 1.8L & Kawasaki 1.5L 4-stroke engines. Description Part No. RIVA Valve Compression Tool RY19040-VCT Fits Kawasaki 1.5L 4-stroke & Yamaha 1.8L RIVA/CARRILLO CONNECTING RODS Riva’s lightweight connecting rods improve the reliability and performance of turbocharged and supercharged watercraft engines. Manufactured to our specifications by Carrillo Industries, these rods are forged from an ultra high- strength alloy and rated to 500+ horsepower. Unique H-beam design is sub- stantially stronger and lighter than OEM equipment, allowing your engine to rev quicker and hold up to the punishing demands of high boost applications. Includes high-strength silicon-bronze wrist pin bushing & race spec fasteners. Description Part No. Riva/Carrillo Connecting Rod Set RK19090-9M4449S ULTRA 260/250/LX & STX-15F/12F (set of 4) RIVA PRO-SERIES 4-STROKE CYLINDER HEAD GASKETS Riva’s Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. Key Benefits Include: • Three layer stainless construction for durability & corrosion resistance. • Viton coated & embossed surfaces for maximum sealing. • Unique design promotes even torque load & requires no re-torque. Description Part No. Riva Pro-Series Head Gasket Standard RK10090-CHG Ultra 250/260 62 INTAKE SYSTEMS KAWASAKI 4 STROKE ENGINE/ GASKETS EXHAUST DRIVE LINE HANDLING ELECTRICAL WATERLINE /BILGE STEERING & CONTROLS BODY ACCESSORIES SERVICE TOOLS /HARDWARE CHEMICAL ULTRA 250X/260X • ENGINE RIVA PRO-SERIES 4- STROKE RACING PISTONS Riva’s forged racing pistons deliver maxi- mum reliability and performance in high boost & turbo applications. High strength piston kits include premium ring package, tool steel wrist pin & carbon steel wire locks. Key Features Include: • CNC machined from high strength/lightweight forgings. • Optimized dome design for efficient combustion. • Improved lubrication hole placement for reduced friction. • Premium low friction ring package. • High-strength tool steel wrist pins machined from special tool steel bar stock & heat treated. • Carbon steel wire locks. • Direct replacement diameter plus 2 oversizes available. 9.5 to 1 Compression Part No. Ultra 260/250 (9.5:1/STD) RK1000-15009.5 10.5 to 1 Compression Part No. Ultra 260/250 (10.5:1/STD) RK1000-150010.5 R&D ULTRA 250 9.5-1 COMPRESSION RATIO PISTON KIT R&D Ultra Forged Racing Piston Kits have been developed for the hard core race enthusiasts or precision engine builders who are looking to gain maximum horsepower and reliability from their racing engines. R&D offers high quality forged aluminum, heat treated, and CNC machined racing pistons in 9.5-1 compression ratios to replace O.E.M. cast aluminum pistons known to break, crack, or shatter in high performance, high heat conditions. High horsepower marine engines with high boost pressures are more prone to have detonation over conventional racing engines due to sustained loads. Forged pistons in marine applications are a must. • Direct replacement piston kits for High H.P. applications • High quality forged materials replace low performance cast • Improved ring seal with Nascar Style ring sets • Increased RPM’s and horsepower by reducing weight • Works great with high boost compressor wheels and turbo kits Description Part No. R&D Ultra 250 9.5-1 Compression Ratio Piston Kit 431-25095 RIVA PRO-SERIES 4-STROKE CYLINDER HEAD STUD KITS Riva’s ultra high strength cylinder head stud kit is essential equipment when upgrading internal components on your high boost Yamaha engine. Precision machined from premium grade 8740 alloy and heat treated to exacting tolerances, these studs dramatically increase reliability & ease of maintenance. Key Benefits Include: • Superior material & heat treat process provide 10X better than OEM bolts. • Studs provide improved alignment of cylinder head and gasket. • More accurate & consistent torque loading. • Helps prevent blown head gaskets and assures optimum engine sealing. Description Part No. RIVA Pro-Series Cylinder Head Stud Kits RK10085-HSK Ultra (All), STX-15F