Edelbrock Chevrolet LS1 Pro-Flo 4+ EFI Knock Sensor Harness
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to Edelbrock, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Edelbrock, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
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When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrock's Pro-Flo 4 EFI systems. Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years. Pro-Flo 4 is not just a replacement for your carburetor, it's a complete engineered system that provides the ultimate in performance, drivability and quality. These easy to use, self-learning EFI systems feature an all new ECU pre-loaded with 80 dyno-tuned calibrations that support popular engine configurations up to 800 hp. Combined with the enhanced E-Tuner 4 App's easy to use setup wizard; you get plug and play performance without the need of a laptop or costly dyno tuning sessions. Pro-Flo 4 EFI systems are the most complete systems available on the market, giving you what you need to upgrade to powerful and efficient fuel injection for your vehicle. Pro-Flo 4 EFI systems are the best value for your dollar!
- New ECU Preloaded w/80 Dyno-Tuned Calibrations
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004 | Chevrolet | Express 1500 | Base |
| 2004 | Chevrolet | Express 1500 | LS |
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