Our cool running Thermostat Kit reduces the operating temperature of your modified 4-TEC? engine by 30?F for maximum reliability and performance.Kit includes:Replacement thermostatBillet coolant inlet flangeStock...
Our race proven Pro-Series Sponsons deliver dramatically improved handling & straight line stability with superior fin & backing plate design. Features a cutting edge stepped surface for unmatched control. Bulletproof...
Our 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...
Replaces the restrictive sound suppression system located between the waterbox and hull exit on your watercraft. Improves engine performance by reducing back pressure and harmful detonation. Includes mandrel bent...
RIVA Racing's Yamaha GP800/800R Power Filter Kit fits all Yamaha 800 Powervalve motors. Designed to increase airflow to your carburetors and allow your engine to produce more HP. Kit fits 44mm OEM I-body carburetors....
A cure for hard starting motors. Manually operated pump delivers a fresh shot of fuel to your carburetors for easy starting. Includes 1/8 primer line, necessary fittings and detailed installation instructions....