Athena Complete Gasket Kit for Honda CB 400 N CM 400 T 1978-1983
Athena Complete Gasket Kit for Honda CB 400 N CM 400 T 1978-1983
Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
About this product
About this product
Restore peak engine performance and ensure a perfect seal for your Honda CB 400 N or CM 400 T (1978-1983) with this high-quality Athena Complete Gasket Kit. Engineered for durability and precision, this 4-stroke gasket kit provides all the essential components for a comprehensive engine rebuild.
Description
Experience superior sealing and long-lasting reliability with the Athena Complete Gasket Kit, specifically designed for the Honda CB 400 N Gasket Kit and CM 400 T 4-stroke engines from 1978 to 1983. This premium kit from Athena, a leader in motorcycle parts, includes all necessary gaskets and rubber components to facilitate a complete engine rebuild, ensuring optimal performance and preventing leaks. The head gasket is expertly crafted with rubber-coated spring steel construction, providing exceptional resilience and a tight seal under demanding conditions. Soft steel base gaskets are also rubber coated, enhancing durability and sealing integrity. The core material features high springback and superior tensile strength, making these Athena motorcycle gaskets resistant to wear and tear. A revolutionary transparent coating is applied to guarantee a perfect seal, even at extremely high temperatures, while critical flat gaskets benefit from high-temperature blue silicone beading for added protection. This CB 400 engine rebuild kit is ideal for both professional mechanics and DIY enthusiasts looking for a reliable and comprehensive solution to maintain their vintage Honda models.
Features & Highlights
- Superior Sealing Technology: Features a revolutionary transparent coating that ensures an impeccable seal, even when subjected to extremely high engine temperatures, preventing leaks and maintaining optimal pressure.
- Enhanced Durability: Head gaskets are constructed from rubber-coated spring steel, while soft steel base gaskets are also rubber coated, offering exceptional resilience and extended service life.
- Robust Core Material: Utilizes a steel core material known for its high springback characteristics and superior tensile strength, providing a reliable and long-lasting seal under demanding conditions.
- High-Temperature Resistance: Key flat gaskets are equipped with high-temperature blue silicone beading, offering an extra layer of protection and sealing integrity in the most critical areas of your engine.
- Comprehensive Rebuild Kit: Includes top-quality gaskets and rubber parts necessary for rebuilding both the top-end and complete engine of your Honda CB 400 N or CM 400 T.
Technical Specifications
- Brand: Athena
- Type: Complete
- Units: Kit
- Engine Type: 4-Stroke
- Product Name: Gasket Kit
- Vendor Part Number: P400210850400
- EAN: 8050444898178
Important to Know
- Oil seals are not included in this kit.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Specifications
P400210850400
Gasket Kit
243 mm
22 mm
350 mm
4-Stroke
Complete
Kit
Reviews


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
Based in Denmark
Fast customer support
Over 100.000 Products
2-Year Full Warranty
Your peace of mind is our priority. Every product in our shop comes with a comprehensive 2-year warranty, so you can hit the road with full confidence.
Support in Danish, Swedish, German & English
Whether you are upgrading your exhaust or choosing a new helmet, our team of seasoned riders is ready to provide professional guidance for your specific bike.
Free Shipping Over 200€ (EU)
Shop your favorite gear without worrying about extra costs. We offer free shipping on all orders over 200€ (EU), ensuring your parts reach you safely and affordably.
Authorized Parts Europe Dealer
As a certified Parts Europe supplier, we guarantee 100% authentic, high-quality motorcycle parts and accessories directly from the world's leading manufacturers.

