Basic kit for improving the performance of GX160, 200s, and Chinese 6.5 Engines. Simple to install, you can expect significant performance increases.

For those looking to get the maximum performance without opening up the case, we offer our stage 2 kit. Same as our stage 1 kit but with the addition of a bored carb to produce in excess of 10 hp.

Now you are getting serious. A set-up from Stage 2 kit, we add a cam and a choice of carburetors. A billet rod and all need gaskets are also included. HP will range between 11 and 14 depending on cam/carb selected.

Now you are getting serious. A set-up from Stage 2 kit, we add a cam and a choice of carburetors. A billet rod and all need gaskets are also included. HP will range between 11 and 14 depending on cam/carb selected.

Our Stage 4+ kits allows you to customize a kit for your application. The 4+ kit starts with package similar to that of the stage 3 kit but adds a Ported and Milled Head, stainless valves, billet rockers, and a serious cam package. Options include everything from roller rockers to stroker kits. This kit will allow you to build a motor in excess of 20+ hp.

KIT INCLUDES:

• Race/Open Air Filter & Adapter
• 22mm Mikuni Carb Kit (other carbs optional)
• Ported & Milled Head (OHV or Hemi depending on kit)
• Oversize Stainless Valves (27/24 on Old style, 28/25 on Hemis)
• 1.2 Roller Tip Rocker Arms
• Chrome Moly Pushrods
• Stud Kit
• 26 lb Springs,
• Lash Laps
• 8 degree Timing Key,
• Gasket Kit
• Billet Rod
• Billet Guide plate
• Choice of Compression Ratios - Compression ratios based on Flat-Top piston. If a Dished piston is used, deduct approx 1.5 points,
• Choice of Cams
• Optional Long Rod
• Optional Roller Rockers
• Optional Flywheels
• Optional Crankshaft
• Optional Stroker Kit

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

Due to the head work involved in these kits, Allow 1 week to ship

Note: Hemi Kits do not included Valve Cover. Order Seperate.

Filter should be sprayed with K&N type oil, especially in dirt applications. Oil not included click here

These kits are intended for experienced engine builders. Some clearancing, fitment, or other engine building "tricks" may be needed. Hemis may need pistons notched for valve clearance