# TBparts - Stock Bore 53mm Forged High Compression Piston for KLX110 with Stock Cylinder > This is a plain-text (markdown) copy of a page on tboltusa.com, made for AI assistants. People see the same page at the HTML link below. - **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) > TBparts - Stock Bore 53mm Forged High Compression Piston for KLX110 with Stock Cylinder - **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/tbparts-stock-bore-53mm-forged-high-compression-piston-for-klx110-with-stock-cylinder-p-12455.html) - **Markdown:** [this page as markdown](https://tboltusa.com/store/tbparts-stock-bore-53mm-forged-high-compression-piston-for-klx110-with-stock-cylinder-p-12455.md) - **Generated:** 2026-11-04 10:55 EST - **Site guide for AI assistants:** [llms.txt](https://tboltusa.com/llms.txt) - **Your list:** To list everything you have looked at in one page, with current prices and stock, add ids to this address (comma separated, up to 20 of each): `https://tboltusa.com/store/seen.md?p=12455` All prices are in US dollars (USD). Shipping and any tax are worked out at checkout. ## Summary - **Part number:** TBW1759 - **Price:** $99.99 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=12455&stockcheck=true) ([Contact us](https://tboltusa.com/store/contact_us.md)) - **Product id:** 12455 - **Product last changed:** 2026-07-17 ## 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) - [TB Parts > KLX110 DRZ110 > KLX110 DRZ110 Big bore and Stroker Kits](https://tboltusa.com/store/klx110-drz110-klx110-drz110-big-bore-and-stroker-kits-c-68_1048_1049.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) Upgrade your KLX110 with TBparts’ 53mm Drop-In Forged High Compression Piston Kit—built for serious performance and reliability. This is a stock bore (53mm) forged piston designed as a direct replacement for the OEM piston, requiring no cylinder boring or machining. Forged from high-strength materials, this piston delivers increased compression, improved throttle response, and greater durability under high-performance conditions. Perfect for riders looking to boost power while keeping the stock cylinder. **Key Features:** - Forged construction for exceptional strength and longevity - 53mm stock bore – direct drop-in replacement - High compression design for better power and performance - Compatible with stock KLX110 cylinder head and cylinder - Complete kit includes piston, rings, wrist pin, and circlips - No cylinder machining required – true drop-in performance! **Specifications:** - Compression 12.4:1 – Stock stroke w/ OEM cylinder head – Fresh 91+ high octane pump gas can be used (Race gas is not required). - Compression 13.4:1 – 55mm Stroke w/ OEM cylinder head – FRESH 93+ octane pump gas can be used. Use Octane Booster or mix with race fuel if you hear engine Knock Under load. **Application:** - KLX110 - All years - KLX110L - All years - Suzuki DRZ110 - All years ## 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/12455/tbparts-stock-bore-53mm-forged-high-compression-piston-for-klx110-with-stock-cyl-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.