616-458-8103
7 DAYS/WEEK DURING NORMAL BUSINESS HOURS
Eastern Standard Time
ZENOAH G230
The 32mm bore 2-bolt cylinder. (Fits any 2-bolt Zenoah/CY RC cases and 28mm crank).
Race Porting offered, HT, (a EFRA favorite).
Championship Porting offered, HT, (a EFRA favorite).
HP 5.0 to 5.40
Race Ported G230 22.5cc complete engine, 5.1HP
Race Ported 22.5cc top end kit, uses stock stroke crank, 5.1 HP
ZENOAH G260
The 34mm bore 2-bolt cylinder. (Fits any 2-bolt Zenoah/CY RC cases).
Race Porting offered, HT, (a EFRA favorite).
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Championship Porting offered, HT, (a EFRA favorite).
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2MM Stroked kit available with the head modifications, (A 27.2CC).
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Reed case porting offered, single boost port.
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HP 5.0 to 6.25
Race ported G260 top end kit, for a stock stroke crank, 5.5 HP
ZENOAH G270
The 34mm bore 4-bolt cylinder.
Race Porting offered, HT, (a EFRA favorite).
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Championship Porting offered, HT or HR (a EFRA favorite).
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1MM Stroked crank fits right in stock engine with no changes.
2MM Stroked kit available with the head modifications, (A 27.2CC).
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Reed case porting offered, single boost port.
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HP 5.5 to 6.35
Champ Ported HT, 2mm stroked, 27.2cc top end kits. One with 2mm crank and one sold without crank, 6.0 HP
Champ Ported HT, 2mm stroked, 27.2cc top end kits. One with 2mm crank and one sold without crank, 6.0 HP
Champ ported HT, uses stock stroke or 1mm stroke cranks but prefer the 1mm crank, 6.0 HP
CY27
The CY 35mm bore 2-bolt cylinder
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Race Porting offered, HT.
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HP 5.5
26.9cc race ported top end kit for stock stroke crank, 5.5HP
3 top end kits; CY35mm race port kit for 2mm stroked cranks "crank not included", CY35mm race ported kit for GP290 cylinder champ ported HT 30.5cc kit with 2mm crank
GP290
The CY 36mm bore 2-bolt cylinder
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Race Porting offered, HT
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Championship Porting offered, HT
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2mm Stroked crank with head modifications offered, (30.5cc).
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Reed case porting offered, single boost port.
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HP 6.25 to 6.90
Champ Ported HT, stock stroke crank 28.5cc top end kit, 6.3 HP
Champ Ported HT, 2mm stroked, 30.5cc top end kits. One with 2mm crank and one without crank, 6.5 HP
2mm stroked 30.5cc top end kits, not ported. One with a 2mm crank and one without a crank, 4.8 HP
Race ported, stock stroke GP290 top end kit, 6.0 HP
G290
The CY 36mm bore 2-bolt cylinder
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Race Porting offered, HT
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Championship Porting offered, HT
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2mm Stroked crank with head modifications offered, (30.5cc).
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Reed case porting offered, single boost port.
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HP 6.25 to 6.90
Champ Ported HT, stock stroke crank 28.5cc top end kit, 6.3 HP
Champ Ported HT, 2mm stroked, 30.5cc top end kits. One with 2mm crank and one without crank, 6.5 HP
2mm stroked 30.5cc top end kits, not ported. One with a 2mm crank and one without a crank, 4.8 HP
Race ported, stock stroke GP290 top end kit, 6.0 HP
GSR40
Zenoah 40cc kit, (complete engines not available)
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Race Ported
HP unknown
RCMK Inline Twin Cases
You provide the new twin cases, I build the long block to perfection using Zenoah G290 top end kits​
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Made directly per order, not sold through DDM
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Race porting available, but why?​
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Championship porting available, HT or HR
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2017 reigning East Coast drag racing track record holder. (Nickolas Washington, custom S&H pipes)
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HP; 13.0 plus
Call 7 days a week 9am - 9pm EST
616-458-8103