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Scooter Vista

Lambretta LI SX TV DL GP Deep Cylinder Head Nut Set

Lambretta LI SX TV DL GP Deep Cylinder Head Nut Set

Regular price £2.75 GBP
Regular price Sale price £2.75 GBP
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Lambretta LI SX TV DL GP Deep Cylinder Head Nut Set

 

Lambretta Deep Cylinder Head Nut Set with Long Cylinder Cowl Spacer Nut, designed to fit Lambretta LI, Lambretta SX, Lambretta TV, Lambretta DL, and Lambretta GP models.

This complete fixing set includes the deep cylinder head nuts required to secure the cylinder head to the barrel, along with the correct long cylinder cowl spacer nut used to support and secure the engine cooling cowl. Whether you're rebuilding an engine, carrying out routine maintenance, or replacing worn hardware, this kit provides the correct fixings for a professional and reliable installation.

Manufactured to original specifications, these components are suitable for both standard and performance engine applications.


📦 What's Included?

  • Deep cylinder head nuts & washers
  • Long cylinder cowl spacer nut

Everything required to correctly secure the cylinder head and support the cylinder cooling cowl.


🔧 Key Features

  • Suitable for Lambretta LI, Lambretta SX, Lambretta TV, Lambretta DL & Lambretta GP
  • Complete cylinder head fixing set
  • Includes deep cylinder head nuts
  • Supplied with the long cylinder cowl spacer nut
  • Manufactured to original specifications
  • Increased thread engagement from deep nuts
  • Suitable for standard and tuned engines
  • Ideal for restorations and engine rebuilds

🛠️ Fitment

Suitable for:

  • Lambretta LI
  • Lambretta SX
  • Lambretta TV
  • Lambretta DL
  • Lambretta GP

Compatible with standard Lambretta cylinder head stud arrangements and many aftermarket cylinder kits.


⚙️ What Do Cylinder Head Nuts Do?

Cylinder head nuts secure the cylinder head to the engine by tightening onto the cylinder studs. They provide the clamping force needed to maintain a proper seal between the cylinder head and barrel.

Their functions include:

  • Holding the cylinder head securely in place
  • Maintaining combustion chamber sealing
  • Preventing compression leaks
  • Withstanding heat cycles and engine vibration
  • Ensuring consistent engine performance

The deep-profile design provides greater thread engagement, making them especially popular on tuned engines.


❄️ What Does the Long Cylinder Cowl Spacer Nut Do?

The long cylinder cowl spacer nut is a unique Lambretta fixing that performs two important jobs.

Its role includes:

  • Securing part of the cylinder head assembly
  • Providing the correct spacing for the cylinder cooling cowl
  • Supporting the engine shroud to prevent movement and vibration
  • Ensuring cooling air is directed efficiently around the cylinder and head

Without the correct spacer nut fitted, the cooling cowl may not sit correctly, potentially affecting airflow and causing unwanted vibration.


🏁 Why Replace Your Cylinder Head Fixings?

After years of use and repeated heat cycles, original fixings can become:

  • Corroded
  • Rounded or damaged
  • Stretched from over-tightening
  • Difficult to torque accurately
  • Unsuitable for performance applications

Replacing the complete set during an engine rebuild helps ensure reliable sealing, accurate torque settings, and long-term durability.


🚀 Ideal for Standard & Performance Builds

Whether you're restoring an original Innocenti engine or assembling a high-performance touring motor, quality cylinder head fixings are essential.

This complete set provides peace of mind by ensuring both the cylinder head and cooling cowl are secured correctly, helping maintain engine reliability and effective cooling.


📦 Perfect For

  • Lambretta engine rebuilds
  • Cylinder head replacements
  • Performance engine builds
  • Full restorations
  • Preventative maintenance
  • Workshop servicing

Scooter Vista, located in the Vale of Glamorgan (near Cardiff), is your destination for high-quality spare parts for classic scooters. Our extensive stock of suppliers from Italy and Germany ensures that we can provide the best parts for both Lambretta and Vespa, all at competitive retail prices. Plus, if there's a specific product you need that is not listed on our website, simply send us an email and we will do our best to get it for you. Trust Scooter Vista for all your spare part needs!

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