| FuelTech USA Logo Hoodie | fueltech.net | 20 USD | 40 USD | −50% |
| FuelTech Retro T-Shirt | fueltech.net | 15 USD | 30 USD | −50% |
| FuelTech Patch T-Shirt | fueltech.net | 15 USD | 30 USD | −50% |
| FuelTech Flexfit Red Hat | fueltech.net | 12.5 USD | 25 USD | −50% |
| Pressure Sensor Composite | fueltech.net | 69 USD | 107 USD | −30.3% |
| Hitachi IGC8403 OEM 3-Channel Ignition Module | fueltech.net | 59 USD | 79 USD | −25.3% |
| FT Dial Board | fueltech.net | 379 USD | 499 USD | −24% |
| Boost Controller Dual Valve Kit | fueltech.net | 249 USD | 319 USD | −21.9% |
| FT450/550 4 Cylinder Universal A Harness | ace-engines.com | 549 USD | 699 USD | −21.5% |
| BBC Cam Sync Mounting Bracket & Magnet Kit | fueltech.net | 129 USD | 164 USD | −21.3% |
| FT550 PRO V8 Complete Harness | ace-engines.com | 949 USD | 1,249 USD | −20.9% |
| CDI Racing Ignition Coil Bracket Kit | ace-engines.com | 119 USD | 149 USD | −20.1% |
| FT450 EFI System ECU | fueltech.net | 799 USD | 999 USD | −20% |
| FT550 LS Engine GEN IV Complete Harness | ace-engines.com | 799 USD | 999 USD | −20% |
| FT550 LS Engine GEN IV Complete Harness | fueltech.net | 799 USD | 999 USD | −20% |
| FT550 6 Cylinder Expansion B Harness | fueltech.net | 329 USD | 1,158 USD | −17.5% |
| FT600 PRO V8 Complete Harness | ace-engines.com | 1499 USD | 1,999 USD | −16.7% |
| FT550/FT600 FTSPARK-8 PRO Harness | ace-engines.com | 469 USD | 599 USD | −16.1% |
| FT550 EFI System ECU | fueltech.net | 1599 USD | 1,899 USD | −15.8% |
| FT550 2024+ Rotax 325 Harness | fueltech.net | 1099 USD | 3,566 USD | −15.4% |
| FT550 2008-2017 Yamaha 1800 Harness (3 plug) | fueltech.net | 1099 USD | 2,998 USD | −15.4% |
| FT600 PRO V8 Complete Harness | fueltech.net | 1699 USD | 1,999 USD | −15% |
| FT450/550 4 Cylinder Universal A Harness | fueltech.net | 599 USD | 699 USD | −14.3% |
| CDI Racing Ignition Coil Bracket Kit | fueltech.net | 129 USD | 149 USD | −13.4% |
| FuelTech Motorsports Jacket | fueltech.net | 69 USD | 79 USD | −12.7% |
| FT550 4 Cylinder Universal B Expansion Harness | fueltech.net | 279 USD | 998 USD | −12% |
| Bosch LSU 4.2 Wideband O2 Sensor | ace-engines.com | 79 USD | 97 USD | −11.2% |
| FT450 EFI System | wholesale.fueltech.net | 999 USD | 1,858 USD | −11.1% |
| FT550 EFI System | wholesale.fueltech.net | 1899 USD | 3,298 USD | −10% |
| FT550/FT600 PRO V8 Smart Coil Harness | ace-engines.com | 449 USD | 599 USD | −10% |
| FT Injector 240 lb/h - EV6 Connector | fueltech.net | 224.1 USD | 1,992 USD | −10% |
| FT Injector 170 lb/h - EV6 Connector | fueltech.net | 197.1 USD | 1,752 USD | −10% |
| FT Injector 120 lb/h - EV6 Connector | fueltech.net | 188.1 USD | 1,672 USD | −10% |
| FT Injector 80 lb/h - EV6 Connector | fueltech.net | 183.6 USD | 1,632 USD | −10% |
| FT550/FT600 PRO V8 Smart Coil Harness | fueltech.net | 549 USD | 599 USD | −8.3% |
| FT450/FT550 6 Cylinder Universal A Harness | fueltech.net | 699 USD | 759 USD | −7.9% |
| FT450/550 Sportsman Datalogging A Harness | fueltech.net | 749 USD | 799 USD | −6.3% |
| FT600 EFI System | wholesale.fueltech.net | 2999 USD | 4,798 USD | −2.1% |
| LT1 / LT2 Billet Unake Manifold w/ Extra Fuel Rail & Nitrous Bungs Black Anodized | fueltech.net | 7399 USD | — | — |
| LT1 / LT2 Billet Unake Manifold w/ Extra Fuel Rail & Nitrous Bungs | fueltech.net | 6999 USD | — | — |