Developed by one of the industry's leading braintrusts, our new 4.9 engine has been relentlessly tested, revised, and designed for dominance.

KTR’s Shadow Series Racing Engine sets the standard for 4.8 bore space Hemis. An all-billet powerhouse built for unmatched customization, reliability, and record-breaking performance.

Let KTR get your program on track without the hassle of going to the track. Our experienced operators are experts in a variety of ECUs and engine combos.

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KTR is proud to offer its newest service: in-house block honing! We're currently honing BBC, 4.8 HEMIs, and Noonan 4.9 HEMIs.

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Let KTR take the guesswork out of your program. We offer consulting and tuning solutions tailored to your program's specific needs.

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