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The Edelbrock part #35873 Pro-Flo 4 XT Sequential Port EFI System for Big-Block Chevy Rectangle Port engines has the latest in technology and features. The EFI system comes complete with a black finish Pro-Flo XT intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA fully terminated high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT Sequential Port EFI System for Big-Block Chevy Rectangle Port engines. The system comes complete with a Pro-Flo XT black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35870 Pro-Flo 4 XT Sequential Port EFI System for Big-Block Chevy Rectangle Port engines has the latest in technology and features. The EFI system comes complete with a satin finish Pro-Flo XT intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA fully terminated high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for Big-Block Chevy Rectangle Port engines. The EFI system comes with a Pro-Flo XT satin finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock Pro-Flo 4 XT EFI Kit #35883 for rectangular-port Big-Block Chevrolet engines is a complete bolt-on electronic fuel injection system featuring a black powder-coated XT intake manifold with large plenum and long tapered runners that comes ready to run with high-flow injectors, fuel rails and 90mm throttle body preassembled for you at the Edelbrock factory. This kit is rated at a maximum 825 horsepower with 60 lb/hr injectors and includes all supporting sensors, a wide-band O2 sensor, wire harnesses and Android-based tablet. Also included is a single-connection distributor designed to work specifically with Pro-Flo 4 providing fully sequential port injection and infinite control over ignition and fuel events under all conditions. Key Pro-Flo 4 advancements are its Self-Calibrating Fuel Map Technology, Wide-Band O2 Closed Loop Mixture Control, and new low-profile ECU with faster processor and upgraded Bluetooth chip for reliable connectivity with the E-Tuner app that comes preinstalled on the tablet. The E-Tuner includes a Setup Wizard to guide you through setup and provides fuel and spark adjustability for complete control over the system. Pro-Flo 4 EFI #35883 for the Big-Block Chevy requires no laptop tuning. Minimal setup and tuning adjustments are required with base calibrations provided in the software. The ECU is self-learning and will continually adjust the fuel injection calibration for maximum performance by maintaining a specified target air-fuel ratio as you drive. The E-Tuner provides the ability to fine-tune air-fuel ratios, ignition curve, idle speed, acceleration fuel, fans, rev-limiter and more. Multiple displays let you monitor engine performance in real-time from inside or outside of the vehicle while retaining the simplicity that Pro-Flo 4 systems are known for.
Edelbrock Pro-Flo 4 XT EFI System #35883 with Satin Finish for rectangular-port Big-Block Chevrolet engines is a complete bolt-on electronic fuel injection system featuring a satin-finished XT intake manifold.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock Pro-Flo 4 XT EFI Kit #35880 for rectangular-port Big-Block Chevrolet engines is a complete bolt-on electronic fuel injection system featuring a satin-finished XT intake manifold with large plenum and long tapered runners that comes ready to run with high-flow injectors, fuel rails and 90mm throttle body preassembled for you at the Edelbrock factory. This kit is rated at a maximum 825 horsepower with 60 lb/hr injectors and includes all supporting sensors, a wide-band O2 sensor, wire harnesses and Android-based tablet. Also included is a single-connection distributor designed to work specifically with Pro-Flo 4 providing fully sequential port injection and infinite control over ignition and fuel events under all conditions. Key Pro-Flo 4 advancements are its Self-Calibrating Fuel Map Technology, Wide-Band O2 Closed Loop Mixture Control, and new low-profile ECU with faster processor and upgraded Bluetooth chip for reliable connectivity with the E-Tuner app that comes preinstalled on the tablet. The E-Tuner includes a Setup Wizard to guide you through setup and provides fuel and spark adjustability for complete control over the system. Pro-Flo 4 EFI #35880 for the Big-Block Chevy requires no laptop tuning. Minimal setup and tuning adjustments are required with base calibrations provided in the software. The ECU is self-learning and will continually adjust the fuel injection calibration for maximum performance by maintaining a specified target air-fuel ratio as you drive. The E-Tuner provides the ability to fine-tune air-fuel ratios, ignition curve, idle speed, acceleration fuel, fans, rev-limiter and more. Multiple displays let you monitor engine performance in real-time from inside or outside of the vehicle while retaining the simplicity that Pro-Flo 4 systems are known for.
Edelbrock Pro-Flo 4 XT EFI System #35880 with Satin Finish for rectangular-port Big-Block Chevrolet engines is a complete bolt-on electronic fuel injection system featuring a satin-finished XT intake manifold.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35730 Pro-Flo 4 XT Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a Pro-Flo XT cathedral port satin finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed.Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for Chevrolet LS GEN III/IV engines. The system comes with a Pro-Flo XT cathedral port black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block LC9:325 (5.3L);Chevrolet:Small-Block LH8:325 (5.3L);Chevrolet:Small-Block LMF:325 (5.3L);Chevrolet:Small-Block LMG:325 (5.3L);Chevrolet:Small-Block LY5:325 (5.3L);Chevrolet:Small-Block Gen III LM7:325 (5.3L);Chevrolet:Small-Block Gen

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35733 Pro-Flo 4 XT Sequential Port EFI System for Chevrolet LS GEN III/IV engines is equipped with the latest in technology and features. The EFI system comes complete with a Pro-Flo XT cathedral port black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and measures half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get the maximize performance of your engine. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use your personal Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed.Multiple dash displays are included to allow you to monitor engine vitals and performance from your Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for Chevrolet LS GEN III/IV engines. The EFI system comes complete with a Pro-Flo XT cathedral port black finish intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block LC9:325 (5.3L);Chevrolet:Small-Block LH8:325 (5.3L);Chevrolet:Small-Block LMF:325 (5.3L);Chevrolet:Small-Block LMG:325 (5.3L);Chevrolet:Small-Block LY5:325 (5.3L);Chevrolet:Small-Block Gen III LM7:325 (5.3L);Chevrolet:Small-Block Gen

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35793 Pro-Flo 4 XT Sequential Port EFI System for 1986 & Earlier Small-Block Chevy engines has the latest in technology and features. The EFI system comes complete with a black finish Pro-Flo XT intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA fully terminated high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT Sequential Port EFI System for 1986 & Earlier Small-Block Chevy engines. The system comes complete with a black finish Pro-Flo XT intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block Gen I:283 (4.6L)/302 (4.9L)/305 (5.0L)/307 (5.0L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35810 Pro-Flo 4 XT Sequential Port EFI System for 1986 & Earlier Small-Block Chevy engines has the latest in technology and features. The EFI system comes complete with a satin finish Pro-Flo XT intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA fully terminated high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for 1986 & Earlier Small-Block Chevy engines. The EFI system comes with a satin finish Pro-Flo XT intake manifold and 35 Lb/Hr injectors capable of 550 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block Gen I:283 (4.6L)/302 (4.9L)/305 (5.0L)/307 (5.0L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35823 Pro-Flo 4 XT Sequential Port EFI System for 1986 & Earlier Small-Block Chevy engines with Vortec/E-Tec Cylinder heads has the latest technology and features. The EFI system comes complete with a black Pro-Flo XT intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet. Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for Small-Block Chevy engines with Vortec/E-Tec Cylinder heads. The EFI system comes with a black finish Pro-Flo XT intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block Gen I Vortec:283 (4.6L)/302 (4.9L)/305 (5.0L)/307 (5.0L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock part #35820 Pro-Flo 4 XT Sequential Port EFI System for Small-Block Chevy engines with Vortec/E-Tec Cylinder heads has the latest technology and features. The EFI system comes complete with a satin Pro-Flo XT intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure. Also included is a plug and play single connection distributor designed to work specifically with Pro-Flo 4 and a made in the USA high-quality harness with clearly labeled connections for a hassle-free installation. The new Pro-Flo 4 EFI systems feature an all-new ECU with a faster processor, a water proof design and is half the depth of the previous ECU. It also has an upgraded Bluetooth chip that is faster, more reliable and will not drop connection. We’ve added more features for the advanced tuner giving you control over air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, Rev limiter while retaining the simplicity Pro-Flo is known for. The key to the system is our exclusive E-Tuner 4 app with dyno developed base calibrations. The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU’s self-learning capability to continually adjust the calibration to get maximum performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started. Best of all, the E-Tuner 4 app is free and can be downloaded from the Google Play Store, allowing you to use an Android based smart phone or tablet. If you don’t have a compatible device, then we also offer kits that include a 7″ Android tablet with the E-Tuner 4 app pre-installed. Multiple dash displays are included to allow you to monitor engine vitals from an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Edelbrock Pro-Flo 4 XT EFI System for Small-Block Chevy engines with Vortec/E-Tec Cylinder heads. The EFI System comes with a satin finish Pro-Flo XT intake & 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure.
Chevrolet:Small-Block Gen I Vortec:283 (4.6L)/302 (4.9L)/305 (5.0L)/307 (5.0L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• New ECU Preloaded w/80 Dyno-Tuned Calibrations

The Edelbrock 35360 is a new calibration module that will be a replacement or service part for any Pro-Flo kit. Calibration Module now has back lighting and has been updated to be immune to RF and electrical noise.

• Convert Carbureted Engine To Modern EFI System