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Exoracing Titanium Alternator Bolt Kit K-Series K20 K24

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Why Use Exoracing Titanium K-Series Alternator Bolts?

Over time, the old OEM alternator bolts become corroded or rounded after being removed and replaced multiple times. We have put together a grade 5 titanium replacement kit to fix this.

Our Exoracing titanium alternator bolt kits are made using the finest aircraft-grade Titanium Alloy, Ti-6AL-4V (Grade 5), a material renowned for its exceptional strength-to-weight ratio.

We take pride in that all our fasteners are forged and the threads are made using a unique rolling process. This results in increased fatigue resistance and reduced risk of galling during fastening.

We have tested this on multiple K-Series engines in development for fitment and the real world in racing applications and have only found one engine that doesn't fit, the k24a3, making this the most universal K-Series alternator bolt kit.

Our Grade 5 Titanium hardware is a reliable replacement for Grade 8.8 steel fasteners, offering a weight saving of approximately 45% compared to equivalent steel bolts. This weight reduction is particularly beneficial in the racing industry, where every gram matters, as this kit only weighs an incredibly small 47g!

In addition to the weight savings, Titanium is exceptionally corrosion resistant to a wide range of aggressive chemicals, ensuring a longer service life than standard BZP steel bolts. This allows our hardware to perform exceptionally well in harsh environmental conditions, making it a popular choice among racing enthusiasts.

We now also offer an Exoracing lifetime warranty against manufacturing defects on all of our titanium bolt kits, as we are confident in our products and want to offer a risk-free shopping experience.

Purchase Includes:

  • 3 x Exoracing Titanium Hex Head Grade 5 Bolts
  • 1 x Exoracing Lifetime Warranty


  • Will fit most K-Series alternators (excl k24a3)
  • Replace your old, ugly OEM bolts
  • Weight saving of up to 45% compared to the OEM hardware
  • Incredibly resistant to corrosion and harsh chemicals
  • Kit weight: 47g
  • Manufactured from high-grade Titanium Alloy, Ti-6AL-4V (Grade 5)
  • Exoracing lifetime warranty

Exoracing K-Series Titanium Alternator Bolt Kit Installation Guide:

Follow our step-by-step instructions below to get up and running with your brand-new shiny titanium bolt kit as soon as possible. If you are unsure about any of the steps below or are not confident installing yourself, please get in touch with a professional.

  1. First, ensure the engine is cool to the touch to avoid the risk of burns.
  2. Loosen the alternator tensioner bolt to allow the alternator belt to move.
  3. Remove the top alternator bolt and replace it with the titanium version, making sure to install them hand-tight only. Do this for all 3 bolts.
  4. Torque all 3 bolts to 17 ft/lb and put the alternator belt back on if you removed it.
  5. Tension the belt to the correct specification and tighten the tensioner bolt back to the 41 ft/lb factory setting.
  6. Run the engine to ensure you aren't getting excessive movement from the belt, alternator or tensioner, and you are all done!
  7. Remember to tag us in any engine bay photos on social media; we would love to see them! #exoracinguk

Technical Specifications:

Material: Titanium Alloy, Ti-6AL-4V (Grade 5)
Quantity: 3 x Exoracing Titanium Bolts
Fitment: Honda K-Series Alternators (excl k24a3)
Bolt Type: Hex Head
Kit Weight: 47g
Torque Setting: 17Ft/lb
Warranty: Exoracing Lifetime Warranty


  • Professional installation is always recommended.
  • Please use the torque settings in the table or installation guide when installing the alternator bolts.
  • Alternator not included in the sale.
Alternator Kit
Exoracing lifetime warranty emblem

Exoracing Ltd offers a lifetime warranty against manufacturing defects on this Exoracing Ltd product for peace of mind and a risk-free buying experience! We have 100% faith in our products and know they are of the highest quality, so where most manufacturers offer a year, we decided to offer a massive lifetime warranty.

Exoracing Ltd lifetime warranty will cover repairing, replacing, or store credit to the same purchase value if the part has since been discontinued, at our discretion, for any Exoracing Ltd product that is found defective.

Exoracing Ltd's lifetime warranty policy will only apply if the product was purchased through ourselves or an officially licenced distributor in our network.

This warranty policy is non-transferable and all claims under this policy must be accompanied by the original receipt of sale.