Professional Honda Engine Harness & Standalone ECU Integration
VTEC Innovations manufactures professional motorsport and performance engine harness systems built on documented mil-spec architecture, controlled in-house production methodology, and designated tooling.
Manufactured in Vermont, USA. Established 2025.
Hand-Built Mil-Spec Engine & Chassis Harness Integration
New Releases & Best Sellers
-
VTI Worker Long Sleeve Shirt – Shop & Track Edition
Vendor:VTIRegular price $30.00 USDRegular priceSale price $30.00 USD -
VTI Valve Cover Air Freshener – Black Ice
Vendor:VTIRegular price $6.00 USDRegular priceSale price $6.00 USD -
2”x5” Die-Cut Decals/Slaps
Vendor:VTIRegular price $2.00 USDRegular priceSale price $2.00 USD -
Honda Main Relay Conversion Kit – Motorsport Sealed PDM
Vendor:VTIRegular price From $65.00 USDRegular priceSale price From $65.00 USD -
Deutsch DTM 2-Pin Connector Kit with Terminals – Complete Male & Female Sealed Set
Vendor:VTIRegular price From $7.00 USDRegular priceSale price From $7.00 USD -
ECU Refurbish and Free Diagnostic Service
Vendor:VTIRegular price $140.00 USDRegular priceSale price $140.00 USD -
Bosche 2200CC Injectors (NO TOP-HATS)
Vendor:VTIRegular price From $460.00 USDRegular price$690.00 USDSale price From $460.00 USDSale -
VTI Worker Pullover Hoodie – Shop & Track Edition
Vendor:VTIRegular price $45.00 USDRegular priceSale price $45.00 USD
Streetspec Series
-
OEM+ 1.8T 40 Pin Complete Engine Harness Narrowband/Wideband ECU's | VW Audi Seat Skoda MK4
Vendor:Carrot Top TuningRegular price From $550.00 USDRegular price$499.95 USDSale price From $550.00 USD -
OBD1 Engine Harness – 97-01 Honda Prelude H-Series | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 92-96 Honda Prelude H-Series | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – Universal B / D / H-Series | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $749.00 USDRegular priceSale price $749.00 USD -
OBD1 Engine Harness – 94-95 Acura Integra | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 88-91 Honda EF Civic / CRX | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 96-99 Acura Integra | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 92-93 Acura Integra Non-GSR | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 90-91 Acura Integra | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD -
OBD1 Engine Harness – 99-01 Acura Integra | Complete Swap Kit | VTI StreetSpec
Vendor:VTIRegular price $499.00 USDRegular priceSale price $499.00 USD
ECU Solutions
-
Refurbished OBD1 Honda ECU
Vendor:OxyTunedRegular price From $449.99 USDRegular priceSale price From $449.99 USD -
OBD1 ECU Replacement Lid
Vendor:OxyTunedRegular price From $19.99 USDRegular priceSale price From $19.99 USD -
OBD1 DIY Capacitor Replacement Kit (USDM/JDM)
Vendor:OxyTunedRegular price $9.99 USDRegular priceSale price $9.99 USD -
USDM OBD1 Socket Kit
Vendor:OxyTunedRegular price From $12.99 USDRegular priceSale price From $12.99 USD -
JDM OBD1 Socket Kit
Vendor:OxyTunedRegular price From $14.99 USDRegular priceSale price From $14.99 USD -
USDM OBD1 VTEC Conversion Kit
Vendor:OxyTunedRegular price $13.99 USDRegular priceSale price $13.99 USD -
Sold outHIC-1 Replacement
Vendor:OxyTunedRegular price $39.99 USDRegular priceSale price $39.99 USDSold out -
USDM OBD1 PWM Boost Control Kit
Vendor:OxyTunedRegular price $12.99 USDRegular priceSale price $12.99 USD -
IC17 Replacement
Vendor:OxyTunedRegular price $11.99 USDRegular priceSale price $11.99 USD -
New Style SST27SF512 Chip (32k)
Vendor:OxyTunedRegular price $19.99 USDRegular priceSale price $19.99 USD -
New Style SST27SF512 Chip (64k)
Vendor:OxyTunedRegular price $24.99 USDRegular priceSale price $24.99 USD
CarrotTopTuning
-
Billet Short Shifter Box For BMW E36 E46 318i 320i M3 323i 325i 330i M5 M6
Vendor:Carrot Top TuningRegular price $199.95 USDRegular priceSale price $199.95 USD -
N54 PCV Valve Upgrade Compatible with BMW E82 E88 E89 E90 E91 E92 E93 E60 E61 E71 135i 335i 535i X6 Z4 Twin Turbo Engines
Vendor:Carrot Top TuningRegular price $17.95 USDRegular price$51.00 USDSale price $17.95 USDSale -
Honda Civic Wiretuck Headlight/Front End Harness | 92-95 EG | USDM / EDM Headlights/ Blinkers
Vendor:Carrot Top TuningRegular price $299.95 USDRegular priceSale price $299.95 USD -
D & B-Series OBD1 Tucked Engine Harness Kit w/ Fuse Box, Switch Panel
Vendor:Carrot Top TuningRegular price $755.00 USDRegular price$785.85 USDSale price $755.00 USDSale -
D & B-Series OBD1 Tucked Engine Harness Kit w/ Subharness | 96-98 Civic EK
Vendor:Carrot Top TuningRegular price From $363.45 USDRegular price$449.00 USDSale price From $363.45 USDSale -
D & B-Series OBD1 Tucked Engine Harness Kit w/o Subharness EG EK
Vendor:Carrot Top TuningRegular price From $293.45 USDRegular price$449.00 USDSale price From $293.45 USDSale -
H-Series H2B OBD1 Tucked Engine Harness Kit w/ Subharness | 94-95 Integra DC
Vendor:Carrot Top TuningRegular price $394.95 USDRegular priceSale price $394.95 USD -
H-Series H2B OBD1 Tucked Engine Harness Kit w/ Subharness | 92-95 Civic EG EJ
Vendor:Carrot Top TuningRegular price $449.00 USDRegular priceSale price $449.00 USD -
D & B-Series OBD2 Tucked Engine Harness Kit w/ Subharness | 94-95 Integra DC
Vendor:Carrot Top TuningRegular price $394.95 USDRegular price$449.00 USDSale price $394.95 USDSale -
OEM+ 1.8T 40 Pin Complete Engine Harness Narrowband/Wideband ECU's | VW Audi Seat Skoda MK4
Vendor:Carrot Top TuningRegular price From $550.00 USDRegular price$499.95 USDSale price From $550.00 USD
Motorsport Blog
View all-
GM 13577379 Flex Fuel Sensor Wiring & Hondata S...
Complete GM 13577379 flex fuel sensor wiring and Hondata S300 V3 setup guide for OBD1 Honda platforms. Covers pinout, mounting, digital input wiring, and converter options.
GM 13577379 Flex Fuel Sensor Wiring & Hondata S...
Complete GM 13577379 flex fuel sensor wiring and Hondata S300 V3 setup guide for OBD1 Honda platforms. Covers pinout, mounting, digital input wiring, and converter options.
-
OBD1 P28 Boost Controller Wiring & Hondata S300...
Complete boost controller wiring and setup guide for OBD1 P28 with Hondata S300. Covers MAC 3-port and 4-port solenoids, interrupt-style plumbing, C101 integration, PWM configuration, closed-loop setup, and proper fail-safe...
OBD1 P28 Boost Controller Wiring & Hondata S300...
Complete boost controller wiring and setup guide for OBD1 P28 with Hondata S300. Covers MAC 3-port and 4-port solenoids, interrupt-style plumbing, C101 integration, PWM configuration, closed-loop setup, and proper fail-safe...
-
T1 4-Pin Cam/Crank Sensor Wiring Guide (Mil-Spec)
Complete mil-spec wiring guide for the T1 4-pin cam/crank sensor. Learn proper 12V power strategy, shield termination, and why drain wire should never be used as ground in professional harness...
T1 4-Pin Cam/Crank Sensor Wiring Guide (Mil-Spec)
Complete mil-spec wiring guide for the T1 4-pin cam/crank sensor. Learn proper 12V power strategy, shield termination, and why drain wire should never be used as ground in professional harness...
SUPPORTED SYSTEMS & INDUSTRY ALIGNMENT
Track Your Order Progress
Enter your order details to track your VTI harness system






















