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Hop Up Kit- 212 Predator OHV (old style), Stage 4
Hop Up Kit- 212 Predator OHV (old style), Stage 4

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Our Price: $487.00

Stock Status:In Stock

Select Carburator

None (Customer to supply carb)
22mm Mikuni - Gas [+$94]
24mm Flat Slide Mikuni - Gas [+$202]
28mm Gas Black Round Slide [+$182]
Select Flywheel

No Flywheel
ARC Billet Aluminum Flywheel (6625) [+$108]
Lightweight 6600 PLV with Electronic Ignition, Hemi [+$313]
Super Light 6602 with small fan, OHV Pred [+$139]

Description -

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, Flat Top Piston, and a great all around cam package.


  • Ported & Milled Chinese 22cc Head
  • Approx 11:1 Compression Ratio for use with pump gas
  • Stainless high flow 27mm Intake & 24mm exhaust
  • 37lb Springs
  • 1.2 Billet Rocker Arms
  • Chrome Moly Pushrods
  • 280 0611 Camshaft
  • Stud Kit
  • Lash Caps
  • Long Billet Rod (+.020)
  • Flat-Top piston
  • Piston rings, Wristpin, and clips
  • Billet Guide plate
  • Complete Gasket Kit (Not shown in picture)
  • Optional Carbs
  • Optional Flywheels

Picture is for reference only!!! Actual content based on above description and selections. (In otherwords, the flywheel & carb shown is optional )
Due to the head work involved in these kits, Allow 1 week to ship

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

Note: This kit will not fit Hemi (predator) engines. Please see our Hemi Kits for those applications

These kits are intended for experienced engine builders. Some clearancing, fitment, or other engine building "tricks" may be needed.

Aluminum flywheel REQUIRED. Stock flywheels are prone to failure and very DANGEROUS

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