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Stage 1 Hop Up Kit

Basic kit for improving the performance of GX200s and Chinese 6.5 engines. Simple to install, you can expect significant performance increases. Approximately 10+ HP for 6.5s and GX200s.

Kit Includes:

Race/Open Air Filter & Adapter

Choke Bracket

Main Jet

Upgraded Valve Springs (22lb)

Valve Cover Gasket

Aluminum Flywheel (Dyno PVL)

Offset Timing Key

Optional Header/Exhaust

*Note: Picture is for reference only and may show optional parts. See above description for actual content. Parts may be different than pictures, depending on which motor and options are selected

All parts are available individually if you would like a customized kit. Use the above contents as a guideline!

Stage 2 Hop Up Kit for GX200 and 6.5 Chinese OHV/strong>

For those looking to get the maximum performance on a budget, we offer our Stage 2 kit. We only use genuine Honda components where possible to improve reliability and power. This is the same as our Stage 1 kit, but with the addition of a bored carb and a performance cam to produce a solid 12+ HP on GX200s.

Includes:

Race/Open Air Filter & Adapter

Choke Bracket

22lb Springs

Aluminum Flywheel

Timing Key

Mod 2 Camshaft

Bored .650 Performance Carb

Carb Gasket

Valve Cover Gasket

Case Gasket

Optional Header/Exhaust

Pictures are for reference only. See description for actual content. Parts may be different than pictures, depending on which motor & options are selected

Stage 3 Hop Up Kit for GX200 & 6.5 OHV

Now you are getting serious! A step up from our Stage 2 kit, we add a racing camshaft, a 22mm carburetor, and a billet rod. This kit produces 13-15hp or more.

Includes:

22mm Mikuni Style Carb Kit

Choice of Cam (Rattlesnake or NR Racing's 252-0607)

22 or 26lb Springs (Depending on camshaft)

Aluminum Flywheel

Offset Timing Key

Reinforced Rockers, Chrome Moly Pushrods, and Large Slot Guide Plate (With 252 Cam)

Billet Rod +.020"

All Needed Gaskets (Head gaskets not Included)

--Camshaft Choices--

252 Cam Package Includes: Cam, 26lb Springs, Chrome Moly Pushrods, and Reinforced Rockers

Rattlesnake Cam Package Includes: Cam and 22lb Springs ONLY

*Note: To get maximum power, head should be ported and/or milled.

Pictures are for reference only. See description for actual content. Parts may be different than pictures, depending on which options are selected

Fit with one of our straight through exhuast pipes for maximum performance!

Stage 4 Hop Up Kit

For serious engine builders looking for great power and good reliability, we offer our Stage 4 kit. This package is similar to that of the Stage 3 kit, but adds a ported and milled head, stainless valves, billet rockers, a flat-top piston, and a great all-around cam package.

KIT INCLUDES:

Ported & Milled 22cc Genuine Honda Head

Approximately 11:1 Compression Ratio

Stainless High-flow 27mm Intake & 24mm Exhaust

37lb Springs

1.2 Ratio Billet Rocker Arms

Chrome Moly Pushrods

280-0611 Camshaft

Stud Kit

Lash Caps

Extra Long Billet Rod (+.100")

Short Skirt Flat-Top Piston for Use with Long Rod

Piston Rings, Wrist Pin, and Clips

Billet Guide Plate

Genuine Honda Gasket Kit (Not pictured)

Choice of Carbs (Or use customer supplied carb)

Optional Flywheels

Picture is for reference only. Actual content is based on above description and customer's selections. (In other words, the flywheel shown is optional.

These kits are intended for experienced engine builders. Some clearance, fitment, or other engine building "tricks" may be needed. Aluminum flywheel REQUIRED. Stock flywheels are prone to failure and are very DANGEROUS.