OnKill Tuning is an enthusiast operated speed shop, just outside of Springfield, MO. We offer EFI dyno tuning, performance parts sales, high-quality installation services, and DIY Tuning support nationally.

Knowing that our industry is entirely fueled by the local automotive community, our goal and first priority is always to deliver positive experiences to our customers. These positive experiences are built upon many steps along the way, from selecting parts, to learning how to correctly install them. Always feel welcome to contact us as your trusted resource.


Whether you seek more power, fuel economy, or are building an all-out race car, we can use our experience to get your project across the finish line! While you're here, please browse through some of our technical resources, check out our other services, or RSVP for a local event!

Dyno Bay

306 South Washington Street Walnut Grove MO United States 65770

(417) 986-5455

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