Improves engine performance by reducing back pressure and harmful detonation. Replaces the restrictive secondary water box located between the primary water box and hull exit on your watercraft. High quality aluminum...
Hot Cams shim kits enable you to precisely shim the valve train of your modified Yamaha or Kawasaki 4-stroke engine. Kits include three 9.48mm shims in each size ranging from 1.20 to 3.50 (increments of 0.05). Made...
Our 'GEN-2' Top-Loader Intake Grate delivers the ultimate in speed, hook up & strength for GP1800 SVHO models. This grate was developed through our racing efforts and used by the RIVA Racing Team to win multiple...
Our ultra high strength RIVA 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...
RIVA Racing's Sea-Doo 255/215 Power Filter delivers greatly improved acceleration and a 1~2 mph (150~200 rpm) top speed increase by replacing the restrictive stock intake system. The Power Filter feeds you...
The ultimate racing and recreation covers for your Sea-Doo Watercraft. These covers are handmade in the USA with the finest materials including Ballistic Nylons, Ultra-Grade Marine Vinyl, and proprietary Non-Slip...