616-458-8103
7 DAYS/WEEK DURING NORMAL BUSINESS HOURS
Eastern Standard Time
G260PUM
The Zehoah 34mm bore, with the stock stroke crank
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Championship porting available, HR (new porting for 2018)
This cylinder is about maxed out, but still structurally strong at the exhaust port. Comes with the high rev piston and engraved water jacket. This kit has tight squish, so you will want to check it on your engine before you start it.
HP 6.40
Note, some racing classes allow up to 27cc displacement which this kit will also work well with, using a 1mm stroked crank and a .02" added cylinder base gasket, making the engine a 26.33cc engine.
G290PUM
The Zehoah 36mm bore. Cranks; Stock, 1mm and 2mm
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Championship porting available, HR (includes HR light weight piston)
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Reed case porting available, 2 boost ports added (new porting and compression for 2018, and running very very well, the best ESP has put out yet)
HP 6.50 to 6.75 for piston port engine (depending on crank choice)
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HP; 7.25 plus for the new reed case top end kit
RCMK Inline Twin Cases
You provide the twin cases, I build the long block to perfection using Zenoah G290PUM top end kits.
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Made directly per order, not sold through DDM
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Championship porting available (high rev)
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High rev and light weight pistons included if wanted.
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HP; 13.0 plus
Call 7 days a week 9am - 9pm EST
616-458-8103