# TBParts - 141cc Big bore kit w/ VM26 Kit 14mm Pin GPX Pitster Lifan Piranha

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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) > [Lifan Kits](https://tboltusa.com/store/pit-bike-engine-parts-lifan-kits-c-51_102.md) > TBParts - 141cc Big bore kit w/ VM26 Kit 14mm Pin GPX Pitster Lifan Piranha
- **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/tbparts-141cc-big-bore-kit-vm26-kit-14mm-pin-gpx-pitster-lifan-piranha-p-2199.html)
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All prices are in US dollars (USD). Shipping and any tax are worked out at checkout.

## Summary

- **Part number:** TBW9070
- **Price:** $341.99 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=2199&stockcheck=true) ([Contact us](https://tboltusa.com/store/contact_us.md)) This is a kit: the count is how many complete kits can be built from the parts on hand.
- **Product id:** 2199
- **Product last changed:** 2026-02-20

## 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 > Lifan Kits](https://tboltusa.com/store/pit-bike-engine-parts-lifan-kits-c-51_102.md)
- [TB Parts > Chinese Engines](https://tboltusa.com/store/tb-parts-chinese-engines-c-68_70.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)

141cc High Compression Bore Kit - 120cc / 138cc Engines

OD of cylinder skirt is 59mm

*Meets or Exceeds OEM Specifications.*

**Key Features:**

- Lightweight all aluminum cylinder with steel liner
- Cast in mounts on cylinder for aftermarket skid plates
- Oversized cooling fins on cylinder for efficient heat dissipation
- High compression 57mm piston with rings, pin, & clips (14mm wrist pin)
- Head and Base gasket kit
- VM26 Mikuni carb kit

**Application:**

- SDG Pro mini
- Other Pitbikes and engines with 52.4 x 55mm engines with 14mm wrist pin

This will make a huge difference in performance over your stock setup and is a very quick and easy upgrade.

NEW Bigger dome piston, for use with Lifan 27mm/23mm Heads

**Recommended:**

- Sta-bil fuel stabilizer - W-57-1129
- Uni filter oil spray - W-82-1000

**Kit Includes:**

- TBW0601 - Cylinder
- TBW0424 - Gasket set
- TBW0824 - Piston
- TBW0301 - Throttle cable
- TBW0433 - Intake kit
- TBW0399 - VM26 carb
- TBW0413 - Air filter

## 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/2199/tbparts-141cc-big-bore-kit-vm26-kit-14mm-pin-gpx-pitster-lifan-piranha-1.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.