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ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D Printed for Tech Geeks & Car Lovers

$89.99

In stock at stirlingkit.com

The ENJOMOR Inline 4 Cylinder Engine Kit is a motorized, 3D-printed PLA engine you build from about 150 parts in roughly 2 hours. Transparent cylinder walls show the pistons and crankshaft moving, and a red LED backlight glows in low light. It runs from a 5V Type-C cable and ships in a foam-lined case with a printed manual.

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Highlights

  • Motorized inline-four with visible pistons and crankshaft
  • About 150 parts, roughly 2 hours to build
  • Transparent cylinder walls
  • Red LED backlight
  • 5V Type-C cable and full-color printed manual included

Best for

A car fan or teen builder who wants a clean, beginner-friendly working engine kit.

Things to consider

  • PLA plastic, not metal.
  • Needs a USB power source to run.
  • Weight is not listed.

Key specs

Price$89.99
PartsAbout 150
MaterialPLA
Build timeAbout 2 hours
Power5V Type-C (cable included)
Dimensions19 x 12 x 20 cm
Age14+

Our take

A tidy, beginner-friendly running engine kit at a fair price.

Why it makes a good gift

A 3D printed inline four-cylinder engine kit lets a car lover build an engine model at the desk without a garage.

ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… at a glance

BrandStirlingkit
Price$89.99
AvailabilityIn stock at stirlingkit.com
Couponstart
ReturnsThe about page lists a 30-day return or exchange. All returns need an RMA requested via…

Price check

At $89.99, the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… is mid-range for Stirlingkit, whose 2,729 listed products run $0.54 to $11,000.

Similar items from other brands we track run $32.99 to $179.

Buying from Stirlingkit

Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days.

Shipping
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Returns
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
Warranty
The about page lists a 1-year warranty and lifetime customer support.

Read our full Stirlingkit review and shop all products →

Frequently asked questions

Does the inline 4 engine actually move?
Yes. It is motorized, so the pistons and crankshaft run when powered by USB-C.
Is it hard to build?
It is pitched at beginners, with about 150 parts and a printed manual.
How much is the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D…?
Stirlingkit lists it at $89.99 on stirlingkit.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D…?
Stirlingkit's store-wide code start can be entered at checkout on stirlingkit.com. Stirlingkit sets the discount, and some items or sale prices may be excluded.
What is Stirlingkit's return policy?
The about page lists a 30-day return or exchange. All returns need an RMA requested via service@stirlingkit.com, and items must include original packaging and accessories with no physical damage.
How long does Stirlingkit take to ship?
Airmail takes 15 to 35 business days, EMS 5 to 8, and DHL Express 3 to 7. Shipping fees vary by product, warehouse, and destination and show on each product page and at checkout.
Does the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… come with a warranty?
Stirlingkit's published warranty terms: The about page lists a 1-year warranty and lifetime customer support.
Where can I buy the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D…?
The ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… is sold directly by Stirlingkit on stirlingkit.com. The Shop now button on this page goes straight to the product there, and code start can be applied at checkout.
Is the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… in stock?
Yes. Stirlingkit lists it as in stock on stirlingkit.com as of our latest check. Stock and prices refresh throughout the day.
Is Stirlingkit a legit store?
Stirlingkit is a good source for hobbyists who want running miniature engines, Stirling and steam models, and build kits that most toy stores never carry. Skip it if you need fast, cheap returns, since everything goes through an emailed RMA to a Shenzhen address. Check the shipping method and warehouse at checkout first, because airmail can take 15 to 35 business days. Our full Stirlingkit review covers shipping, returns and what to check before ordering.
Is the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… expensive?
At $89.99 it is mid-range for Stirlingkit ($0.54 to $11,000 across 2,729 products), and similar items from other brands run $32.99 to $179.
Is the ENJOMOR Inline 4 Cylinder Engine Model Building Kit 3D… a good gift?
A 3D printed inline four-cylinder engine kit lets a car lover build an engine model at the desk without a garage. It appears in our gift guides; see the links on this page for more ideas.

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