stirlingkit
M12 1.6cc Mini 4 Stroke Gasoline Engine Model Water-cooled Cooling Structure
- Regular Price
- $329.99
- Sale Price
- $329.99
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stirlingkit
M16 1.6cc Mini Vertical 4 Stroke Gasoline Engine Model Air-cooled Cooling Structure
- Regular Price
- $339.99
- Sale Price
- $339.99
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- Unit Price
- per
Save <span class=trans-money>$30.00</span>
stirlingkit
Upgrade Hit & Miss Gas Engine M90 Stirling Engine Model Combustion Engine Collection
- Regular Price
- $339.99
- Sale Price
- $339.99
- Regular Price
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$369.99
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Sale
Stirlingkit
RETROL R29 4.2CC Miniature V-Twin Engine Motor OHV for Mini Chopper Bike Motorcycle
- Regular Price
- from $849.99
- Sale Price
- from $849.99
- Regular Price
-
$899.99
- Unit Price
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Stirlingkit
RETROL & OKMO B01 Ball Top Vertical Hit and Miss Engine Miniature Gas ICE Engine
⚡ Black Friday Price Lock: Instant 20% OFF • 🇺🇸 US Warehouse In-Stock (2-5 Days Delivery)
- Regular Price
- from $479.99
- Sale Price
- from $479.99
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Sale
Stirlingkit
H74 5cc 4-Stroke 2-Cylinder Water Cooled Gasoline Internal Combustion Engine Model
- Regular Price
- from $849.99
- Sale Price
- from $849.99
- Regular Price
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$899.99
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- per
Save <span class=trans-money>$10.00</span>
Stirlingkit
R18 Gas-powered Red 3-wheel Motor World 1st Car Engine Three Wheeler IC Engine Model
⚡ Black Friday Price Lock: Instant 20% OFF (Lowest Price of 2026), Limited stock
- Regular Price
- $449.99
- Sale Price
- $449.99
- Regular Price
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$459.99
- Unit Price
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Stirlingkit
RETROL & OKMO B02 3.6cc Gas Hit and Miss Engine Model One-Key-Start Full Set RTR
🇺🇸 US Warehouse: Black Friday 15% OFF (Save $64.50) · 2-5 Days Delivery
- Regular Price
- $429.99
- Sale Price
- $429.99
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Stirlingkit
RETROL & OKMO Z01 Morse Z 3.6cc Throttle Governed Special Electric Engine Miniature Gas Hit n Miss Engine Model
- Regular Price
- $579.99
- Sale Price
- $579.99
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Stirlingkit
P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models & Retrol HM-01
- Regular Price
- from $99.00
- Sale Price
- from $99.00
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Stirlingkit
RETROL R01 1/12 Hot Air Pumping Engine Model External Combustion Engine Water-cooled
- Regular Price
- from $449.99
- Sale Price
- from $449.99
- Regular Price
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$469.99
- Unit Price
- per
Sale
Stirlingkit
RETROL × OKMO 185-Type Gas Powered Antique Tractor Engine Model 4-Stroke European-Style Miniature Engine
⚡ Black Friday Price Lock: Instant 20% OFF (Lowest Price of 2026), Limited stock
- Regular Price
- from $589.99
- Sale Price
- from $589.99
- Regular Price
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$789.99
- Unit Price
- per
OKMO Miniature Engine Models
OKMO, formerly known as Microcosm, is a trusted brand known for producing real working miniature engine models. Precision-machined and expertly crafted, these metal engines are ideal for collectors, engineers, and mechanical enthusiasts.
This collection includes a wide range of gas-powered engine models, such as:
– Hit and Miss engine models
– V-twin miniature gasoline engines
– Working Atkinson cycle engines
– Miniature pumping engines
– 3-wheel motorcycle engine replicas
Every OKMO engine is pre-assembled and ready to run out of the box – no DIY assembly required. Designed for display and demonstration, they make perfect gifts for anyone passionate about mechanical motion and internal combustion.