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

Stage 1 Kit includes

• Race/Open Air Filter & Adapter

• Choke Bracket

• Correct Jet for application,

• Rev Kit (Not on new style Predators)
• 18lb Springs
• 8 degree Timing Key

• Small Fan

• Valve Cover Gasket

• Optional Header/Exhaust

• Optional Flywheels

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.

Includes

·       Race/Open Air Filter & Adapter,

·       Rev Kit (Not on new style Predators)

·       18lb Springs

·       8 degree Timing Key,

·       Small Fan,

·       Valve Cover Gasket.

·       Thin Head Gasket (160 Kits only)

·       Bored GX200 carb

·       Carb gasket

·       Optional Header/Exhaust,

Approx 9.0+ hp for 160s

Approx 11.0+ hp for 6.5s and GX200s

Old style Predators: Model 69730 [R210] that came with Stamped Aluminum Valve Cover.
New style Predators: Model 60363 [210FA] that came with Cast Aluminum Valve Cover (valve cover gasket not included on new style predators)

Note: Use of the Choke Bracket requires use of a stock Honda (or Clone) "Air Filter to Carb Gasket". This is not included in the kit. You can use the one that came with the motor, or can purchase one at

6.5/212/GX200 Carbs http://www.nrracing.com/product-p/carb2afspacer.htm

GX390/Big Block Carbs http://www.nrracing.com/product-p/16220-za0-702.htm

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

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

Includes

·       Race/Open Air Filter & Adapter,

·       Bored GX200 Carb

·       Ported & Milled Clone Head (Optional Honda)

·       1.2 Billet Rocker Arms

·       Chrome Moly Pushrods

·       Stud Kit

·       26 lb Springs,

·       Lash Caps

·       8 degree Timing Key,

·       Gasket Kit

·       Billet Rod (not shown in picture), std with clones, .020 with GX200s

·       Billet Guide plate

·       Choice of Compression Ratios

·       Choice of Cams

·       Optional Long Rod

·       Optional Roller Rockers

·       Optional Flywheels

·       Optional Crankshaft

·       Optional Stroker Kit

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