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Aceup Energy 9HP 274cc Gas Engine Horizontal Shaft, 4 Stroke OHV Gas Motor, Shaft 1" (25mm) Diameter Recoil Start, Price $ 219.99
$21999
Aceup Energy 9HP 274cc Gas Engine Horizontal Shaft, 4 Stroke OHV Gas Motor, Shaft 1" (25mm) Diameter Recoil Start
3.3 out of 5 stars
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Free shipping, arrives Sun, Oct 11
STP Super Concentrated High Mileage Engine Flush (15 fl. oz.), Price $ 6.77 45.1 ¢/fl oz Options from $6.77 – $162.48
6 options
Available in additional 6 options$67745.1 ¢/fl ozOptions from $6.77 – $162.48
STP Super Concentrated High Mileage Engine Flush (15 fl. oz.)
4.8 out of 5 stars
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Delivery as soon as 13 minsShipping, arrives tomorrowPickup today
Stirling Engine Kit, 2025 Mini Hot Steam Engine Model Building Kits, Single Cylinder Stirling Engine Electricity Generator Motor Model with LED Light, School Education Science Kits for Adults 18, Price $ 33.19 + $ 7.97 shipping
$3319+$7.97 shipping
Stirling Engine Kit, 2025 Mini Hot Steam Engine Model Building Kits, Single Cylinder Stirling Engine Electricity Generator Motor Model with LED Light, School Education Science Kits for Adults 18
4 out of 5 stars
Shipping, arrives in 3+ days
XtremepowerUS 212cc 7.5 HP Gas Engine, 4-Stroke OHV Horizontal Shaft Motor with Electric & Recoil Start, 3600 RPM, EPA Approved, Price $ 249.95 Options from $149.95
3 sizes
Available in additional 3 sizes$24995Options from $149.95
XtremepowerUS 212cc 7.5 HP Gas Engine, 4-Stroke OHV Horizontal Shaft Motor with Electric & Recoil Start, 3600 RPM, EPA Approved
4.4 out of 5 stars
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Free shipping, arrives in 3+ days
SEMTO Engine ST-NF2 7.0cc Mini Inline Double-Cylinder Four-Stroke Air-Cooled Nitro Internal Combustion Engine Model Kit That Works, DIY Engine Model Gift for Hobbyists, Price $ 196.89 Options from $76.89
3 options
Available in additional 3 options$19689Options from $76.89
SEMTO Engine ST-NF2 7.0cc Mini Inline Double-Cylinder Four-Stroke Air-Cooled Nitro Internal Combustion Engine Model Kit That Works, DIY Engine Model Gift for Hobbyists
4 out of 5 stars
Free shipping, arrives in 3+ days
Deal, Aceup Energy 15HP 420cc Gas Engine Horizontal Shaft, 4 Stroke OHV Gas Motor with Electric Start, Price $ 289.99 Was $ 329.99
Deal
Now$28999$329.99
Aceup Energy 15HP 420cc Gas Engine Horizontal Shaft, 4 Stroke OHV Gas Motor with Electric Start
4.7 out of 5 stars
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Free shipping, arrives Sun, Oct 11
Honda Durable Small Engines with Motor, Alloy Red, 3/4" x 2 7/16", 40.0 lbs, Price $ 369.99
$36999
Honda Durable Small Engines with Motor, Alloy Red, 3/4" x 2 7/16", 40.0 lbs
5 out of 5 stars
Free shipping, arrives in 3+ days
Mini Engine Kit That Runs, 7.0cc Inline Double Cylinder 4-Stroke Air-Cooled Internal Combustion Engine Model, Metal DIY OTTO Motor STEM Experiment & Desktop Display for Adults (Starter Kit Included), Price $ 245.99 Options from $199.99
$24599Options from $199.99
Mini Engine Kit That Runs, 7.0cc Inline Double Cylinder 4-Stroke Air-Cooled Internal Combustion Engine Model, Metal DIY OTTO Motor STEM Experiment & Desktop Display for Adults (Starter Kit Included)
5 out of 5 stars
Free shipping, arrives in 3+ days
Estes 2 Packs of C6-5 Model Rocket Engines - Total of 6 Engines with Starters & Plugs, Price $ 26.09 Options from $26.09 – $27.99
2 sizes
Available in additional 2 sizes$2609Options from $26.09 – $27.99
Estes 2 Packs of C6-5 Model Rocket Engines - Total of 6 Engines with Starters & Plugs
3.5 out of 5 stars
Free shipping, arrives in 3+ days
Briggs & Stratton Durable Small Engines with Motor Power, Steel Gray, Price $ 463.12
$46312
Briggs & Stratton Durable Small Engines with Motor Power, Steel Gray
5 out of 5 stars
Free shipping, arrives in 3+ days
Briggs And Stratton 725Exi Series, Single Cylinder, Air Cooled, 4-Cycle Gas Engine, 7/8 In X 3-5/32 In Crankshaft, Price $ 312.94
$31294
Briggs And Stratton 725Exi Series, Single Cylinder, Air Cooled, 4-Cycle Gas Engine, 7/8 In X 3-5/32 In Crankshaft
Free shipping, arrives in 3+ days
Deal, Aceup Energy Gas Engine Horizontal Shaft 18HP 459cc Electric Start, 1 Inch Diameter, 3.48 Inch Long Shaft, Price $ 329.99 Was $ 499.99 Options from $139.98
Deal
3 sizes
Available in additional 3 sizesNow$32999$499.99Options from $139.98
Aceup Energy Gas Engine Horizontal Shaft 18HP 459cc Electric Start, 1 Inch Diameter, 3.48 Inch Long Shaft
4.1 out of 5 stars
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Free shipping, arrives in 3+ days
SEMTO 7.0cc Inline Twin-Cylinder 4-Stroke Nitro Engine Model Kit, Air-Cooled ST-NF2 Nitro Interal Combustion Engine with Electric Start for Scientific Experiments Desktop Demonstrator, Price $ 198.78 Options from $54.68
6 options
Available in additional 6 options$19878Options from $54.68
SEMTO 7.0cc Inline Twin-Cylinder 4-Stroke Nitro Engine Model Kit, Air-Cooled ST-NF2 Nitro Interal Combustion Engine with Electric Start for Scientific Experiments Desktop Demonstrator
Free shipping, arrives in 3+ days
Best seller, Estes A8-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1598), Price $ 14.86 $14.86/count
Best seller
$1486$14.86/count
Estes A8-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1598)
4.7 out of 5 stars
Free shipping, arrives in 3+ days
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T232-0037-F1, Price $ 424.00
$42400
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T232-0037-F1
Free shipping, arrives in 3+ days
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T237-0085-F1, Price $ 820.97
$82097
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T237-0085-F1
2.5 out of 5 stars
Free shipping, arrives in 3+ days
212CC Gas Engine with Electric Start, 7.5HP 4 Stroke Gasoline Engine, OHV Air Cooled Pull Start Motor Air Cooled Single Cylinder for Go Kart Log Splitter Mini Bike, Price $ 164.80
$16480
212CC Gas Engine with Electric Start, 7.5HP 4 Stroke Gasoline Engine, OHV Air Cooled Pull Start Motor Air Cooled Single Cylinder for Go Kart Log Splitter Mini Bike
4.3 out of 5 stars
Free shipping, arrives in 3+ days
104M02-0197-F1 7.25 GT Vertical Shaft Engine, Price $ 249.00
$24900
104M02-0197-F1 7.25 GT Vertical Shaft Engine
4.6 out of 5 stars
Free shipping, arrives in 3+ days
AKWH 4‑Stroke 420cc 15HP OHV Horizontal‑Shaft Gas Engine,Electric&Recoil Start,9.6kW 3600RPM,Air‑Cooled,6.5L Fuel Tank,for Go‑Kart,Water Pump,Vibrator,Generator(Black), Price $ 255.00 Options from $245.00
$25500Options from $245.00
AKWH 4‑Stroke 420cc 15HP OHV Horizontal‑Shaft Gas Engine,Electric&Recoil Start,9.6kW 3600RPM,Air‑Cooled,6.5L Fuel Tank,for Go‑Kart,Water Pump,Vibrator,Generator(Black)
Free shipping, arrives in 3+ days
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T235-0111-G2, Price $ 1288.99
$1,28899
Briggs & Stratton XR Series 13.5 HP 420cc Horizontal Shaft Engine | 25T235-0111-G2
1 out of 5 stars
Free shipping, arrives in 3+ days
Discovery #Mindblown Model Engine Kit for Children, with Moving Motor Parts and LED Lights, Price $ 36.97
$3697
Discovery #Mindblown Model Engine Kit for Children, with Moving Motor Parts and LED Lights
4.4 out of 5 stars
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Free shipping, arrives in 3+ days
SENDERPICK Small Gasoline Engine 212cc 7.5 HP 4-Stroke Pull Cord Start 1-Pack, Price $ 120.00
$12000
SENDERPICK Small Gasoline Engine 212cc 7.5 HP 4-Stroke Pull Cord Start 1-Pack
2 out of 5 stars
Free shipping, arrives in 3+ days
Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Radial Engine SAIEG90R3 Gas Engines 4 Stroke Airplane, Price $ 1999.99
$1,99999
Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Radial Engine SAIEG90R3 Gas Engines 4 Stroke Airplane
4.3 out of 5 stars
Free shipping, arrives in 3+ days
500+ bought since yesterday, Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz, Price $ 8.48 53.0 ¢/fl oz Options from $8.48 – $203.52
500+ bought since yesterday
5 options
Available in additional 5 options$84853.0 ¢/fl ozOptions from $8.48 – $203.52
Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
4.8 out of 5 stars
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Delivery as soon as 13 minsShipping, arrives tomorrowPickup today
Best seller, Joycrown Mini V8 Engine Kits That Runs, Build Your Own V8 Engine Building Set with Motor and Battery, STEM Physical Science Educational Toy for Adults Kids Age 14+ (1123PCS), Price $ 34.18 Was $ 39.99 Options from $34.18 – $74.38
Best seller
Now$3418$39.99Options from $34.18 – $74.38
Joycrown Mini V8 Engine Kits That Runs, Build Your Own V8 Engine Building Set with Motor and Battery, STEM Physical Science Educational Toy for Adults Kids Age 14+ (1123PCS)
4.6 out of 5 stars
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Shipping, arrives Sat, Oct 10
Peakora 49cc 2-Stroke Pull Start Engine Motor Kit, Single Cylinder Racing Complete Engine Motor Pull Start Motorized Bike Engine Kit for Gasoline Scooters, Pocket Bikes, Mini Helicopters, Gliders, Price $ 75.99
$7599
Peakora 49cc 2-Stroke Pull Start Engine Motor Kit, Single Cylinder Racing Complete Engine Motor Pull Start Motorized Bike Engine Kit for Gasoline Scooters, Pocket Bikes, Mini Helicopters, Gliders
4 out of 5 stars
Free shipping, arrives in 3+ days
Dr. STEM: Flat 6 Motor - 320pc Model Engine Building Science Kit, LED Light & Sound Effects, Realistic Action, Motion Pistons & Cooling Fans, Kids 12+, Price $ 40.20
$4020
Dr. STEM: Flat 6 Motor - 320pc Model Engine Building Science Kit, LED Light & Sound Effects, Realistic Action, Motion Pistons & Cooling Fans, Kids 12+
4.3 out of 5 stars
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Free shipping, arrives Sat, Oct 10
Briggs & Stratton Exi Series 7.25 GT 163cc Vertical Shaft Engine | 104M02-0254-F1, Price $ 298.20
$29820
Briggs & Stratton Exi Series 7.25 GT 163cc Vertical Shaft Engine | 104M02-0254-F1
Free shipping, arrives in 3+ days
Briggs & Stratton Heavy Durable Small Engines with Engine Motor Power, Cast Iron Black Red, Price $ 1686.18
$1,68618
Briggs & Stratton Heavy Durable Small Engines with Engine Motor Power, Cast Iron Black Red
Free shipping, arrives in 3+ days
V8 Engine Model Kit that Works, 8 Cylinder Car Engine with Motor, Building Blocks Collectibles for Adults, STEM Build Set (487 Pieces), Price $ 49.99 Was $ 59.99
Now$4999$59.99
V8 Engine Model Kit that Works, 8 Cylinder Car Engine with Motor, Building Blocks Collectibles for Adults, STEM Build Set (487 Pieces)
Free shipping, arrives in 3+ days
Vanguard 6.5 HP 203cc Electric Start Engine, Price $ 475.00
$47500
Vanguard 6.5 HP 203cc Electric Start Engine
Free shipping, arrives in 3+ days
Estes B6-0/B6-6 Engine Bulk Includes 24 Model Rocket Engines for Two-Stage Rockets, Price $ 89.01
$8901
Estes B6-0/B6-6 Engine Bulk Includes 24 Model Rocket Engines for Two-Stage Rockets
Free shipping, arrives in 3+ days
Best seller, Estes C6-5 Model Rocket Engines 3 Pack (010024), Price $ 11.99
Best seller
$1199
Estes C6-5 Model Rocket Engines 3 Pack (010024)
5 out of 5 stars
Free shipping, arrives in 3+ days
ENGINEDIY Mini Engine Model That Runs, FS-L200AC Inline Double-Cylinder Four-Stroke Metal Engine Build Kit, Science Educational Kit for Tech Enthusiast, Price $ 186.99
2 options
Available in additional 2 options$18699
ENGINEDIY Mini Engine Model That Runs, FS-L200AC Inline Double-Cylinder Four-Stroke Metal Engine Build Kit, Science Educational Kit for Tech Enthusiast
Free shipping, arrives in 3+ days
Estes F15-4 Engines EST10031, Price $ 37.84
$3784
Estes F15-4 Engines EST10031
Free shipping, arrives in 3+ days
Estes Rockets B6-4 Engines 3 Pack EST10021 / EST1606, Price $ 11.99
$1199
Estes Rockets B6-4 Engines 3 Pack EST10021 / EST1606
5 out of 5 stars
Free shipping, arrives in 3+ days
MTH PREMIER STRASBURG AMERICAN 4-4-0 STEAM ENGINE #98 O GAUGE 20-30101-1, Price $ 1188.84
$1,18884
MTH PREMIER STRASBURG AMERICAN 4-4-0 STEAM ENGINE #98 O GAUGE 20-30101-1
Free shipping, arrives in 3+ days
Clearance, V8 Engine Kit That Work, Visible Car Engine Model Kit with Motor and Lights, Build Your Own Car Engine Kit with App Control Kit, STEM Project for Kids Adults 14+, Price $ 24.99 Was $ 35.13 + $ 9.99 shipping Options from $24.99 – $59.23
Clearance
Now$2499$35.13+$9.99 shippingOptions from $24.99 – $59.23
V8 Engine Kit That Work, Visible Car Engine Model Kit with Motor and Lights, Build Your Own Car Engine Kit with App Control Kit, STEM Project for Kids Adults 14+
3.9 out of 5 stars
Shipping, arrives in 3+ days
Briggs & Stratton 33S877-0019-G1 540cc Gas 19 Gross HP Vertical Shaft Engine, Price $ 758.99
$75899
Briggs & Stratton 33S877-0019-G1 540cc Gas 19 Gross HP Vertical Shaft Engine
4.5 out of 5 stars
Free shipping, arrives in 3+ days
15HP 420cc Gas Engine, Horizontal Shaft 4 Stroke OHV Gas Motor, Shaft 1" (25mm) Diameter, Go Kart Motor Engine for Log Splitters Compressors Lawn Mowers, Price $ 224.79 Options from $210.21
$22479Options from $210.21
15HP 420cc Gas Engine, Horizontal Shaft 4 Stroke OHV Gas Motor, Shaft 1" (25mm) Diameter, Go Kart Motor Engine for Log Splitters Compressors Lawn Mowers
3.7 out of 5 stars
Free shipping, arrives in 3+ days