# Wiseco - .02 Over Piston Kit for KLX110 DRZ110 11:1 Compression

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- **Breadcrumbs:** [Home](https://tboltusa.com/store/index.md) > [Japanese Mini Bike Parts](https://tboltusa.com/store/japanese-mini-bike-parts-c-100.md) > [KLX 110 & DRZ 110](https://tboltusa.com/store/japanese-mini-bike-parts-klx-110-drz-110-c-100_123.md) > [Big Bore & Engine Kits](https://tboltusa.com/store/klx-110-drz-110-big-bore-engine-kits-c-100_123_126.md) > Wiseco - .02 Over Piston Kit for KLX110 DRZ110 11:1 Compression
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## Summary

- **Part number:** W-4875P2
- **Price:** $166.95 USD
- **Stock:** 2 left.
- **Product id:** 5429
- **Product last changed:** 2026-10-10

## 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.

- [Japanese Mini Bike Parts > KLX 110 & DRZ 110 > Big Bore & Engine Kits](https://tboltusa.com/store/klx-110-drz-110-big-bore-engine-kits-c-100_123_126.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)

High quality Wiseco piston for a KLX110 or DRZ110! .02 over standard bore with an 11:1 compression ratio.

**Key Features:**

1. **Forged**
All wiseco pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
2. **Advanced manufacturing techniques**
Diamond turned finish from one of the many cnc computer controlled turning centers guarantees you a perfect finish with no size variation. wiseco pistons can be installed in any of today's cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence.
3. **Oversize options**
Wiseco's wide range of oversize pistons increase the life of cast iron lined cylinders.
With the availability of replacement cylinder sleeves, chrome, nikasil and boron composite cylinders can be resleeved to accept wiseco's oversizes.
4. **Computerized**
Wiseco's state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-performance racer and recreational enthusiast with the finest forged piston available in today's market place.

## 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

For a person: open [Wiseco - .02 Over Piston Kit for KLX110 DRZ110 11:1 Compression](https://tboltusa.com/store/wiseco-02-over-piston-kit-for-klx110-drz110-111-compression-p-5429.html), choose any options, press "Add to Cart", then check out from the cart. Payment is only ever entered by the person, on tboltusa.com's own checkout pages.

For an AI assistant building a cart: `https://tboltusa.com/cart/new/item/5429/qty/1` starts one with this product (the first value of every option, qty 1), `https://tboltusa.com/cart/<cart_code>/add/item/5429/qty/1` adds it to a cart you already started, and `https://tboltusa.com/cart/<cart_code>/zip/<ZIP>` gives the shipping options to a US ZIP code. They answer JSON: give your customer the newest `cart_link`, a public cart link, safe to share.

Or give the person one link that fills their own cart when they open it (a public cart link, safe to share; the first value of every option, qty 1): [Put Wiseco - .02 Over Piston Kit for KLX110 DRZ110 11:1 Compression in my cart](https://tboltusa.com/cart/open/item/5429/qty/1)

Payment: all major credit cards, PayPal, Apple Pay and Google Pay. Money orders by arrangement.

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

## Photos

- [Photo 1](https://tboltusa.com/store/img/p/5429/wiseco-02-over-piston-kit-for-klx110-drz110-111-compression-1.png)
- [Photo 2](https://tboltusa.com/store/img/p/5429/wiseco-02-over-piston-kit-for-klx110-drz110-111-compression-2.5af91b61.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.