C&S SPECIALTIES
St. Charles, Missouri, United States
Tunes Holley EFI on its own chassis dyno and engine dyno. Listed by Holley EFI as a dealer, so you can buy the ECU here too.
At a glance
- Tunes
- Holley EFISells too
- Dyno
- Chassis dyno and engine dyno
- Address
- St. Charles, MO · street not published
- Phone
- 636-723-4996
- Website
- candsspecialties.com
Other dyno tuners nearby
- Phalanx PerformanceSaint Charles, MO · 5 mi · AEM, Haltech
- Competition MarineMoscow Mills, MO · 23 mi · Holley EFI
- Mid Coast PerformancePacific, MO · 29 mi · Holley EFI
- ET TuningUnion, MO · 38 mi · Holley EFI
Still choosing an ECU?
Entry units from the brands C&S SPECIALTIES tunes:
- Holley Terminator Xfrom US$1,600
- Holley Terminator X Maxfrom US$2,000
How this listing was checked
Report a mistake on this page. Listed because there's evidence it tunes aftermarket ECUs and has its own dyno. "Sells too" means the ECU maker lists it as a dealer. Checked October 2026. Listings are free and shops can't pay for placement.