# E22 23/20mm Valve Piranha 90cc Head

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- **Breadcrumbs:** [Home](https://tboltusa.com/store/index.md) > [Pit Bike Engine Parts](https://tboltusa.com/store/pit-bike-engine-parts-c-51.md) > [Cylinder Heads & Parts](https://tboltusa.com/store/pit-bike-engine-parts-cylinder-heads-parts-c-51_110.md) > E22 23/20mm Valve Piranha 90cc Head
- **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/e22-2320mm-valve-piranha-90cc-head-p-625.html)
- **Markdown:** [this page as markdown](https://tboltusa.com/store/e22-2320mm-valve-piranha-90cc-head-p-625.md)
- **Generated:** 2026-10-31 02:54 EDT
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All prices are in US dollars (USD). Shipping and any tax are worked out at checkout.

## Summary

- **Part number:** TRC-0625-0
- **Price:** $99.00 USD
- **Stock:** Out of stock. It cannot be added to the cart right now. A person can ask to be emailed when it is back: [Get on the List](https://tboltusa.com/store/contact_us.php?pid=625&stockcheck=true) ([Contact us](https://tboltusa.com/store/contact_us.md))
- **Product id:** 625
- **Product last changed:** 2026-09-20

## What it fits

The store lists a part under each bike or engine model it is meant for (the categories below) and may name models in the description. Do not assume it fits a bike or engine that is not named here; ask the store first.

- [Pit Bike Engine Parts > Cylinder Heads & Parts](https://tboltusa.com/store/pit-bike-engine-parts-cylinder-heads-parts-c-51_110.md)

Where a fitment line says "All", it means all years of the model named on that line, not all bikes.

## Description (the store's own text)

Replacement / Performance head for small Honda type motors

Fits XR CRF 50 & 70 Honda

Fits China 50 - 110 Engines

Head is complete ready to bolt on

E22 Casting

23mm Intake - 20mm Exhaust Valves

21mm intake port

**Note:**
Smaller combustion chamber will NOT work with OLD
Z50 and CT70 applications due to large Dome pistons

## Shipping and returns

- Flat rate shipping is $8 for parts orders under $75 and free for most parts orders over $75, within the continental 48 states. Heavy items (engines, complete bikes, suspension) are excluded.
- Full shipping policy: [Shipping policies](https://tboltusa.com/store/shipping-policies-i-6.md)
- Returns: the store's own policy page says how returns, exchanges and cancellations work. Please read it before buying: [Returns, Exchanges and Cancellations](https://tboltusa.com/store/returns-exchanges-and-cancellations-i-11.md) The page begins: "All products returned to T Bolt USA must be reviewed and approved."

## How to buy

This item is out of stock, so it cannot go in the cart now (see Stock above).

Cart: [Shopping cart](https://tboltusa.com/store/shopping_cart.php)

## Photos

- [Photo 1](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-1.jpg)
- [Photo 2](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-2.jpg)
- [Photo 3](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-3.jpg)
- [Photo 4](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-4.jpg)
- [Photo 5](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-5.jpg)
- [Photo 6](https://tboltusa.com/store/img/p/625/e22-2320mm-valve-piranha-90cc-head-6.jpg)

## Support

Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online [Pit Bike Technical Info Database](https://tboltusa.com/store/tbolt-usa-pit-bike-minimoto-technical-info-database-tech-15.md)!

We have all necessary support parts on hand.

*Most* orders ship same, or next business day, unless otherwise noted above.