# TBparts - V2 Race Head for KLX and DRZ 110 > 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 - V2 Race Head for KLX and DRZ 110 - **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/tbparts-v2-race-head-for-klx-and-drz-110-p-513.html) - **Markdown:** [this page as markdown](https://tboltusa.com/store/tbparts-v2-race-head-for-klx-and-drz-110-p-513.md) - **Generated:** 2026-11-03 20:51 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=513` All prices are in US dollars (USD). Shipping and any tax are worked out at checkout. ## Summary - **Part number:** TBW9017-KLX - **Price:** $419.99 USD (before options) - **Stock:** Out of stock. It cannot be added to the cart right now. A person can ask to be emailed when it is back: [Get on the List](https://tboltusa.com/store/contact_us.php?pid=513&stockcheck=true) ([Contact us](https://tboltusa.com/store/contact_us.md)) This is a kit: the count is how many complete kits can be built from the parts on hand. - **Reviews:** [2 reviews, average 5 of 5](https://tboltusa.com/store/reviews/tbparts-v2-race-head-for-klx-and-drz-110-pr-513.html) - **Product id:** 513 - **Product last changed:** 2025-06-02 ## Options This product has options. Pick one value for every option. A value marked +$X adds that amount to the price; -$X takes it off. ### Cam Selection - TBW1777 - Stage 1 Camshaft: no price change: `choice/3-855` - TBW0473 - Stage 2 Camshaft: no price change: `choice/3-856` - TBW1775 - Stage 3 Camshaft: no price change: `choice/3-857` - TBW0577 - Stage 4 Camshaft: no price change: `choice/3-858` ## 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) TB race head V2 for KLX and DRZ 110 engines! **Note:** Does not include head covers. Stock head covers will fit this head! **Note:** This kit does not contain a piston. You will need to either use one of our newly modified pistons or check your your clearances very carefully and modify your piston’s reliefs to clear the bigger valves, if need be. This head will not work with any of our KLX big bore pistons sold prior to 3/18/08. We recommend getting one of our kits in this section that includes the piston and a gasket kit. **Key Features:** - Same spec as the more expensive Takegawa +R head - Roller rocker arms allow for a much larger profile cam over stock while reducing parasitic loss - Larger intake and exhaust valves for significantly improved airflow - Both intake and exhaust valves are constructed of 21-4N stainless steel **Specifications:** - 30mm - Intake valve - 24.5mm - Exhaust valve - 5mm - OD of valve stems **Application:** - Kawasaki KLX110 - All years - Suzuki DRZ110 - All years **Kit Includes:** - Complete head w/ cam **NOT INCLUDED but you may need:** - TBW0306 - 60mm top end gasket set - TBW0305 - DRZ110 KLX110 left side engine cover gasket (ignition side) - TBW0645 - For 2010+ model year KLX110 applications ## More notes the store shows with this product **Camshaft Selection info:** TBW1777 - Stage 1 Camshaft - Best low end to midrange TBW0473 - Stage 2 Camshaft - Great low end to midrange with more over-rev TBW1775 - Stage 3 Camshaft - Good low end, better midrange to top end TBW0577 - Stage 4 Camshaft - Best midrange to top end with best over-rev ## 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/513/tbparts-v2-race-head-for-klx-and-drz-110-1.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.