GreenHulk GP1800 Stage 3 Kit 2017

  • Model: GH GP1800 Stage 3

$5,406.40
Sale: $4,865.76
10% discount

This kit consists of the following components:


This kit utilizes the RIVA MaptunerX tuning bundle package which will reflash your skis stock ECU to eliminate the speed limiter. Several maps are available for you to choose from and you can upgrade tunes at any time should you decide to install Stage 2, or Stage 3 mods in the future. Upgrading tunes costs you nothing extra.


The GreenHulk Stage 3 kit comes with the RIVA Power Filter which feeds your supercharged 'SVHO' engine a steady diet of cool air delivering greatly improved acceleration and rpm. Replaces restrictive stock air box with a high-volume, precision-formed intake duct that attaches to the supercharger via a large 4 adapter. Cool air enters the system via an oversized K&N filter element. Includes water-repellent pre-filter and detailed installation instructions.


Kit comes with the Solas 13/18R impeller which blows away the performance of your stock impeller! Large blade area and superior hub design deliver increased acceleration and top speed.



Includes RIVA Intake Manifold Upgrade Kit enables your SVHO engine to produce more horsepower by delivering increased air flow and boost pressure (+1 lb). Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold. Provides improved low end punch and mid range pull through quick & easy installation. Includes detailed installation instructions. NOTE: Our testing has determined the stock ECU will compensate for the increased boost provided by our Intake Manifold Upgrade Kit.


Includes Fizzle Y1000 Yamaha intercooler, bracket setup, brass fittings for water inlet/outlet, custom formed intercooler to throttle body silicone hose, custom formed metal pipe for supercharger to intercooler, silicone couplers, stainless steel clamps for all the silicone hose connections and a genuine TiAL blow off valve.


Includes RIVA Engine Cooling Upgrade Kit delivers dramatically improved cooling efficiency to engine and oil cooler for increased performance & reliability. Greatly enhances water flow & pressure by replacing restrictive OEM pump strainer & water fittings with high-flow billet components and superior routing. Features special billet fitting that injects water into "hot spot" of your engine block where OEM zinc anode is located. Allows addition of aftermarket ECU's, high-boost compressor wheels and other performance modifications that can increase heat & detonation. Includes all necessary waterlines, hardware, fittings and detailed installation instructions.


Includes RIVA Titanium Valve Retainer Upgrade Kit which increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 16 lightweight, precision-machined titanium valve retainers.


Includes Riva Intake Grate which delivers the ultimate in speed, hook up & strength. All new design features oversized top loader wing and optimized inlet ramp for closed course and offshore racing. Bulletproof stainless steel construction makes this grate virtually indestructible and eliminates the need for additional restrictive support bars. Race bred design significantly reduces cavitation and provides superior handling along with unmatched durability in extreme conditions


Includes RIVA Yamaha SVHO Supercharger Impeller. It's the ultimate (drop-in) supercharger impeller for the Yamaha SVHO Engine! Designed to deliver more horsepower and torque throughout the RPM range resulting in excellent acceleration and top speed. Precision machined from billet aluminum to ensure exact tolerances and anodized to prevent corrosion. All new blade design is optimized aerodynamically and high speed balanced for smooth operation. Installs easily into stock supercharger housing with no modifications required. Includes detailed installation instructions. Produces 20psi @ 8,500rpm.


Includes 1000cc Pro Series Fuel Injector Kit. RIVA high impedance fuel injector kit delivers additional fuel to modified engines for high boost applications. 100lb (1,000cc) injectors are for use with aftermarket ECU for correct calibration. Kit includes injectors, plug and play adapters, fuel rail spacers and detailed installation instructions.


Includes RIVA Billet Fuel Rail. Necessary for running the 1000cc fuel injectors on the SVHO engine. Our High Flow Fuel Rail is an essential upgrade to your fuel system to support increased horsepower from supercharger or turbo modifications. Directly replaces restrictive factory fuel rail for improved fuel delivery and enhances the appearance of your engine bay. Precision machined billet aluminum rail features a unique bracket system that adapts to a variety of injector sizes & lengths. Large body design provides increased flow capabilities to support 500+ horsepower applications. Inlet fitting accepts OEM Yamaha fuel connector for easy plug-in installation. Includes fittings for flow-through fuel routing to eliminate injector supply fluctuation and keep fuel cooler. Can also be set up with OEM dead head routing via supplied fuel pressure gauge or plug. Constructed of 6061 billet aluminum and anodized to prevent corrosion. Includes all necessary mounting hardware and complete installation instructions.


Jim's Performance modification service to your stock ride plate. This is a conversion service performed to your ride plate. Turn around time is approximately 2 weeks. Once your order is placed please ship your ride plate to the following address


JIM'S PERFORMANCE (order number here)
4802 US ALT 19
PALM HARBOR, FL 34683
Palm Harbor, FL 34683

PLEASE NOTE: It is highly recommended to upgrade your supercharger shaft using the Riva supercharger shaft kit found here in the supercharger section of our online store.

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