SKU: 50663623888

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpm

Sale price$585.00 Regular price$650.00
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpmHOWIN L6 210 21cc Straight six Four Stroke Gasoline Engine Model Building Kits Water cooled 13500rpm Note: this inline six engine is in stock now. so all the orders will be sent out within 1 working day. Please note that the starter kits are not included and you need to purchase them separately. Buy accessories here. How to save more? 1. Buy earlier, Save $400usd. If you buy this engine before 22th December, you can save 400$usd. Just Only $899. 99usd


 

HOWIN L6-210 21cc Straight-six Four-Stroke Gasoline Engine Model Building Kits Water-cooled 13500rpm

Note: this inline six engine is in stock now. so all the orders will be sent out within 1 working day. Please note that the starter kits are not included and you need to purchase them separately. Buy accessories here.

How to save more?

1. Buy earlier, Save $400usd. If you buy this engine before 22th December, you can save 400$usd. Just Only $899.99usd for the first week of order.
2. If you buy it from 23 Dec to 29 Dec, 2022, You can only save 300$usd. Just Only $999.99usd for the 2nd week of order.
3. If you buy it after 30 Dec, 2022, You can only save 200$usd. Just Only $1099.99usd for the 3nd week of order. Promo Code: SH200



Features:


.Why Howin Engine Makes the Inline Six Engine L6-210?

Have you still remembered the Sunday night that you drove your f300 car out for a joyride? If you have driven a car with an inline-six engine, you will find the L6 engine appealing because its perfect balance helps for smooth, easy revs, and a soothing exhaust note, just like the burbling of a freshwater stream. More importantly, its simple layout guarantees less maintenance. That's the key reason why HOWIN ENGINE decide to get this L6 engine involved in their new engine plans. It's no secret that this L6 engine is one of the most popular engines in the world that never die. Its reliability and excellence are thought highly of by millions of truck and van owners because of its uniqueness, providing loyal service.  

HOWIN L6-210 is designed and developed on the basis of the iconic engine F300. Howin team has spent a year or so developing, designing, and testing this straight-six I6 engine. They also make some major upgrades too. For example, while retaining the appearance elements of the classic I6 engine, Howin model engineers adopt the Howin-made distributor ignition, upgraded independent lubrication system, and brand-new intake system. And they also make it water cooling, and gas-powered, which will be more friendly to users and players.


.Building an Inline 6 Engine That works 

It's a real working inline-six engine kit for adults. The 1/8 mini I6 engine is authentic with a classic blue and silver color scheme that is never out of fashion, as closely as to the real engine. Thrill your curious motorheads with these metal gas-powered mini-engine kits. Just get to build a realistic 6-cylinder motor, power it up & watch it run – with moving pistons, spinning fans, smooth engine sound & more.

Howin L6 is Every Motorhead’s Dream Project

Just forget cheaply plastic-made model kits with missing parts. This complete engine model building kit gives you everything you need from start to finish with over 600 premium CNC machined metal parts. Just follow the detailed manual to start your engine-building tour. This inline 6-cylinder combustion model kit will rev to life after all 600+ quality engine kit pieces have been assembled with a step-by-step paper guide. It’s the first fully functional 4-stroke 6-cylinder combustion model engine kit for at-home and automotive classes used to thrill curious teenagers about engines through the building process.

REAL Internal Combustion Engine Kits

This is one of the best mini engine kits that run because it cannot only allow you to build an authentic 6-cylinder internal combustion, but you can also hear the real engine sounds which allow you and your kids to grasp mechanical principles beyond ordinary engineering play experience. And It's considered the most educational engine model kit that works for teenagers and adults ages 18 and more, who dream to be engineers.

Realistic & Powerful
.Long Stroke:

Taking the long stroke as the engine design blueprint, it effectively provides higher torque. And the customized flexible oil seal ensures excellent sealing performance in high-speed operation.
.Water Cooling:

Designed with a cooling water groove inside the cylinder block and water pump for circulating power, the model is able to work in conjunction with a cooling fan later to strengthen the cooling performance and extend the working time.
.Valve Mechanism:

Features a valve overhead and the camshaft structure on the bottom. Push rod control valve switch makes this more stable.

Built with a cross crankshaft structure, five-section full support, bearing at both ends and middle copper bearing bush, the engine boasts more smooth operation, more sensitive acceleration response and high efficiency.
.Accurate Carburetor:

Enjoy more accurate adjustment, more sensitive throttle response and more stable performance thanks to the brand new dual carburetor with pump.
.Engine Model Building DIY:

Crafted from ultra-precise components, the engine model gives a strong mechanical sense, enables smooth assembly experience and provides users with fun, helping to build their own I6 engines.
.Wide Applications:

The extended output shaft can facilitate the expansion and extension of playing methods in the later stage, so as to be more compatible with RC model vehicles/ships. .Super-cool Engine Gift Idea:

As you and your kids build this model engine, you’ll develop critical thinking & mechanical skills. Plus, you’ll learn all about combustion engines from the detailed included workbook. so It’s ideal for both home & classroom use, so it’s a great gift for teachers, too. It's an amazing mechanical craft and a perfect gift for model enthusiasts.

Specifications:

material: metal;
Color: as picture shown;
Brand: HOWIN ENGINE;
Model: L6-210;
Form: KIT version;
Size: 252.05*88.56*144.48mm;
Weight: 2.4kg;
Engine type: gasoline internal combustion engine;
Valve train type: OHV;
Displacement: 21.0 (3.5*6) cc;
Cylinder: straight six cylinders;
Stroke: four-stroke;
Bore: 16.6mm;
Stroke: 17.0mm;
Speed: 3200-13500 rpm;
Power: 3.05ps;
Cooling method: water cooling;
Lubrication method: independent lubrication system (including oil pump);
Start mode: electric start;
Ignition method: CDI+distributor to control ignition (not included);
Spark plug type: Inch Thread 3/16-40 Spark Plug (not included);
Starting power supply: 7.4V 2S lithium battery (not included);
Fuel: 92# and above gasoline (not included);
Suitable age: 14+;
Packing method: color box;


Packing list:

.1*Engine Kit Set
.1*Tools Kit
.1*Manual

.1*Distributor

(Note: the starter kit is not included, you need to buy it yourself.)

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50663623888

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Lorylynn31
Alexandria, US
★★★★★ 3
Be careful. It can be swolled
Color: Colorful
These work for a little bit but very easy to chew up. They stay cold for a good while but to easy to chew up and be swollen
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Reviewed in the United States on April 19, 2026
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Wil-sew-it
Omaha, US
★★★★★ 5
Lay flat handle is a game change
This dog steak is made of quality steel easy to install and has held up overtime. I would highly recommend. I bought this dog steak over two years ago. Immediately and easily screwed it into the ground for a secure hold. The lay flat handle is convenient for attaching a cable or rope to tie your dog up to. The lay flat handle, makes it easy and convenient for mowing your lawn. I have never once pulled it or moved it in order to mow our grass and after two years, it has remained as secure as it was the day I screwed into the ground.
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Reviewed in the United States on May 7, 2025
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Holl
Battle Creek, US
★★★★★ 1
Don’t waste your money
Color: Colorful
My dog wouldn’t have any thing to do with these. The hole where you fill with water doesn’t close in anyway, so water leaks all over. Wouldn’t purchase again.
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Reviewed in the United States on May 16, 2026
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Melanie
Belleville, US
★★★★★ 5
Great for teething.
Color: Colorful
Great quality chew toy! My pup loves it for teething right out of the freezer. High pitch squeaker!!
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Reviewed in the United States on September 9, 2025
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Brittany Symonette
Port Orchard, US
★★★★★ 5
10/10 Recommend
I purchased this for our trip to Texas from Alabama with our 2 year old American bulldog in tow. I wanted something that was able to keep her secure, but something that would be comfortable for her. I was also concerned about sizing because even though she is a medium sized dog, she has a wide chest. I got an XL. It fit her perfectly with the adjustable straps, it was easy to get it on and off of her, she didn’t mind it at all, and the straps were strong enough to keep her safe and in place.
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Reviewed in the United States on January 8, 2020

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