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Gas, steam, Stirling and jet engines, from first builds to collector pieces
"Extremely Realistic Micro OHV V8 Sounds Amazing!"
Engines you build. Helicopters you fly.
Reviews
What builders say.
4.9
3,096 product reviews
4.5
Trustpilot · 452 reviews
★★★★★
"Helpful and Useful."
★★★★★
"Very good craftsmanship."
★★★★★
"Stirling Kit is responsive."
Built by our customers.
Our engines don't just sit on a shelf. Builders drop them into trucks, cars and custom stands, and they run.
Customer service: 8:00–18:00 GMT. We reply to every message within 24 hours.
Frequently asked questions
Q1
Do these engines actually run?
Yes. Depending on the kit, they run on gasoline or methanol, steam, heat from an alcohol burner (Stirling engines), or an electric motor. Each product page lists the power source.
Q2
Do you offer free shipping?
Yes. Standard shipping is free worldwide, with no minimum order. Selected products, including V8 engine kits, SEMTO engines, beam engines, radial engines and the DM119, ship by free express. See our shipping policy.
Q3
When will my order arrive?
Orders are processed within 1–3 business days. After that, standard shipping takes 5–15 business days and express shipping 2–5 business days.
Q4
Are customs duties included?
Customs duties and taxes are not included in the price and depend on your country's rules. Standard shipments to the US and Europe usually arrive duty-free. Express shipments to Europe may be subject to import duties or VAT. Contact us with any questions.
Q5
What if a part is missing or damaged?
Please contact us at service@stirlingkit.com right away and keep the original packaging. We'll make it right with a replacement.
Q6
Can I return my order?
Yes. We offer 30-day risk-free returns. Items should be returned in their original packaging and condition, with proof of purchase. Read our return policy.