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Pro-Flo 4 EFI XT-Style Kit #35870 For Chevy Big-Block Rectangle Port (35870)

Part No.
35870
Type
Fuel Injection System
Fitment
Special order — we confirm the lead time before it ships.
00085347358700
$2,663.95

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In Stock

Compatibility

Platform
Universal
Vehicle-specific fitment
Review application details below
Need help?
Confirm fitment with us before ordering — (714) 202-7886

We list the engine platform a part is built for. That is not year-and-trim application data, so it does not confirm a fit on your specific vehicle.

  • Est. install labor: 14.0 hrs — $1,750 at $125/hr. Pick Install at HRC and a 20% labor deposit ($350) is due at checkout; the balance is due at completion.
  • An estimate for a stock vehicle, not a quote — we confirm it in writing when you book, before any labor is authorized. Seized hardware, prior modifications, diagnosis and machine work are quoted separately; tuning is arranged through our tuning partner. Questions: (714) 202-7886.
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The Edelbrock Pro-Flo 4 XT EFI Kit #35870 for Big-Block Chevy Rectangle Port engines has the latest in technology and features. The EFI system comes complete with a 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 the maximize performance. E-Tuner 4 features a simple and easy to use setup wizard to help you get started as well as multiple dash displays so you can monitor your engines vitals. The exclusive Edelbrock E-Tuner 4 app is Free and Available for Android and IOS based smart phone or tablet.

Part TypeFuel Injection System
System TypeXT-Style Kit
QuantityKit
Flange TypeXT-Style
RGLWARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
FinishSatin
Wiring Harness IncludedYes
Fuel Injector Type35 lb/hr
Distributor Cap IncludedYes
Fuel Pressure Port1/8-27 NPT
Bore Diameter90 mm
Throttle Body TypeSingle Blade
Maximum Horsepower550
Wire Harness IncludedYes
Manifold HeightA-9.8 in, B-10.0 in, C-17.8 in, D-0.0 in, E-10 Degrees
Gasket Or Seal IncludedYes
Weight42 lb
UPC00085347358700
Country of OriginUSA

Verified fitment · 587 applications

  • Chevrolet Bel Air 6.5L (1966–1969)
  • Chevrolet Bel Air 6.6L (1970–1972)
  • Chevrolet Bel Air 7.0L (1966–1969)
  • Chevrolet Bel Air 7.4L (1970–1975)
  • Chevrolet Biscayne 6.5L (1966–1969)
  • Chevrolet Biscayne 6.6L (1970–1972)
  • Chevrolet Biscayne 7.0L (1966–1969)
  • Chevrolet Biscayne 7.4L (1970–1972)
  • Chevrolet Blazer 7.4L (1973–1974)
  • Chevrolet Brookwood 6.5L (1969)
  • Chevrolet Brookwood 6.6L (1970–1972)
  • Chevrolet Brookwood 7.0L (1969)
  • Chevrolet Brookwood 7.4L (1970–1972)
  • Chevrolet C10 7.4L (1975)
  • Chevrolet C10 Pickup 6.5L (1968–1969)
  • Chevrolet C10 Pickup 6.6L (1970–1972)
  • Chevrolet C10 Pickup 7.4L (1973–1974)
  • Chevrolet C10 Suburban 6.5L (1968–1969)
  • Chevrolet C10 Suburban 6.6L (1970–1972)
  • Chevrolet C10 Suburban 7.4L (1973–1975)
  • Chevrolet C20 7.4L (1975)
  • Chevrolet C20 Pickup 6.5L (1968–1969)
  • Chevrolet C20 Pickup 6.6L (1970–1972)
  • Chevrolet C20 Pickup 7.4L (1973–1974)
  • Chevrolet C20 Suburban 6.5L (1968–1969)
  • Chevrolet C20 Suburban 6.6L (1970–1972)
  • Chevrolet C20 Suburban 7.4L (1973–1975)
  • Chevrolet C30 7.4L (1975)
  • Chevrolet C30 Pickup 6.5L (1968–1969)
  • Chevrolet C30 Pickup 6.6L (1970–1972)
  • Chevrolet C30 Pickup 7.4L (1973–1974)
  • Chevrolet C50 7.0L (1969–1975)
  • Chevrolet C60 7.0L (1968–1975)
  • Chevrolet Camaro 6.5L (1967–1969)
  • Chevrolet Camaro 6.6L (1970–1972)
  • Chevrolet Camaro 7.0L (1969)
  • Chevrolet Caprice 6.5L (1966–1969)
  • Chevrolet Caprice 6.6L (1970–1972)
  • Chevrolet Caprice 7.0L (1966–1969)
  • Chevrolet Caprice 7.4L (1970–1975)
  • Chevrolet Chevelle 6.5L (1966–1969)
  • Chevrolet Chevelle 6.6L (1970–1972)
  • Chevrolet Chevelle 7.4L (1970–1973)
  • Chevrolet Chevy II 6.5L (1968)
  • Chevrolet Corvette 7.0L (1966–1969)
  • Chevrolet Corvette 7.4L (1970–1974)
  • Chevrolet El Camino 6.5L (1966–1970)
  • Chevrolet El Camino 6.6L (1970–1972)
  • Chevrolet El Camino 7.4L (1970–1975)
  • Chevrolet Estate 6.5L (1969)
  • Chevrolet Estate 6.6L (1970)
  • Chevrolet Estate 7.0L (1969)
  • Chevrolet Estate 7.4L (1970)
  • Chevrolet G10 Van 7.4L (1973–1974)
  • Chevrolet G20 Van 7.4L (1973–1974)
  • Chevrolet G30 7.4L (1975)
  • Chevrolet G30 Van 7.4L (1973–1974)
  • Chevrolet Impala 6.5L (1966–1969)
  • Chevrolet Impala 6.6L (1970–1972)
  • Chevrolet Impala 7.0L (1966–1969)
  • Chevrolet Impala 7.4L (1970–1975)
  • Chevrolet K10 Pickup 6.5L (1968–1969)
  • Chevrolet K10 Pickup 6.6L (1970–1972)
  • Chevrolet K10 Pickup 7.4L (1973–1974)
  • Chevrolet K10 Suburban 6.5L (1968–1969)
  • Chevrolet K10 Suburban 6.6L (1970–1972)
  • Chevrolet K10 Suburban 7.4L (1973–1974)
  • Chevrolet K20 Pickup 6.5L (1968–1969)
  • Chevrolet K20 Pickup 6.6L (1970–1972)
  • Chevrolet K20 Pickup 7.4L (1973–1974)
  • Chevrolet K20 Suburban 6.5L (1968–1969)
  • Chevrolet K20 Suburban 6.6L (1970–1972)
  • Chevrolet K20 Suburban 7.4L (1973–1974)
  • Chevrolet K30 Pickup 6.5L (1968–1969)
  • Chevrolet K30 Pickup 6.6L (1970–1972)
  • Chevrolet K30 Pickup 7.4L (1973–1974)
  • Chevrolet Kingswood 6.5L (1969)
  • Chevrolet Kingswood 6.6L (1970–1972)
  • Chevrolet Kingswood 7.0L (1969)
  • Chevrolet Kingswood 7.4L (1970–1972)
  • Chevrolet Monte Carlo 6.6L (1970–1972)
  • Chevrolet Monte Carlo 7.4L (1970–1975)
  • Chevrolet Nova 6.5L (1969–1970)
  • Chevrolet Nova 6.6L (1970–1972)
  • Chevrolet Nova 7.4L (1970–1971)
  • Chevrolet P10 Van 7.4L (1973)
  • Chevrolet P20 Van 7.4L (1970–1973)
  • Chevrolet P30 7.4L (1975)
  • Chevrolet P30 Van 6.6L (1972)
  • Chevrolet P30 Van 7.4L (1970–1974)
  • Chevrolet Townsman 6.5L (1969)
  • Chevrolet Townsman 6.6L (1970–1972)
  • Chevrolet Townsman 7.0L (1969)
  • Chevrolet Townsman 7.4L (1970–1972)
  • GMC C15 7.4L (1975)
  • GMC C15 Suburban 7.4L (1975)
  • GMC C15/C1500 Pickup 6.5L (1968–1969)
  • GMC C15/C1500 Pickup 6.6L (1970–1972)
  • GMC C15/C1500 Pickup 7.4L (1973–1974)
  • GMC C15/C1500 Suburban 6.5L (1968–1969)
  • GMC C15/C1500 Suburban 6.6L (1970–1972)
  • GMC C15/C1500 Suburban 7.4L (1973–1974)
  • GMC C25 7.4L (1975)
  • GMC C25 Suburban 7.4L (1975)
  • GMC C25/C2500 Pickup 6.5L (1968–1969)
  • GMC C25/C2500 Pickup 6.6L (1970–1972)
  • GMC C25/C2500 Pickup 7.4L (1973–1974)
  • GMC C25/C2500 Suburban 6.5L (1968–1969)
  • GMC C25/C2500 Suburban 6.6L (1970–1972)
  • GMC C25/C2500 Suburban 7.4L (1973–1974)
  • GMC C35 7.4L (1975)
  • GMC C35/C3500 Pickup 6.5L (1968–1969)
  • GMC C35/C3500 Pickup 6.6L (1970–1972)
  • GMC C35/C3500 Pickup 7.4L (1973–1974)
  • GMC G25 7.4L (1975)
  • GMC G35/G3500 Van 7.4L (1973–1974)
  • GMC Jimmy 7.4L (1973–1974)
  • GMC K15/K1500 Pickup 6.5L (1968–1969)
  • GMC K15/K1500 Pickup 6.6L (1970–1972)
  • GMC K15/K1500 Pickup 7.4L (1973–1974)
  • GMC K15/K1500 Suburban 6.5L (1968–1969)
  • GMC K15/K1500 Suburban 6.6L (1970–1972)
  • GMC K15/K1500 Suburban 7.4L (1973–1974)
  • GMC K25/K2500 Pickup 6.5L (1968–1969)
  • GMC K25/K2500 Pickup 6.6L (1970–1972)
  • GMC K25/K2500 Pickup 7.4L (1973–1974)
  • GMC K25/K2500 Suburban 6.5L (1968–1969)
  • GMC K25/K2500 Suburban 6.6L (1970–1972)
  • GMC K25/K2500 Suburban 7.4L (1973–1974)
  • GMC K35/K3500 Pickup 6.5L (1968–1969)
  • GMC K35/K3500 Pickup 6.6L (1970–1972)
  • GMC K35/K3500 Pickup 7.4L (1973–1974)
  • GMC P25/P2500 Van 7.4L (1970–1971)
  • GMC P35 7.4L (1975)
  • GMC P35/P3500 Van 7.4L (1970–1974)
  • GMC Sprint 6.6L (1971–1975)
  • GMC Sprint 7.4L (1971–1975)

Questions about this part

Will this fit my vehicle?
The manufacturer lists this part for GMC, Chevrolet from 1966–1975. Confirm your exact model, year and engine before ordering — a listed make can cover variants this part does not suit.

About HRC Performance

HRC Performance is a performance engine builder and speed shop in Huntington Beach, California — Ford Coyote 5.0, Ford Godzilla 7.3 and GM LS/LT engine builds, go-fast parts for classic and modern hot rods, plus professional in-house installation.

Engines we build

  • Ford Coyote 5.0
  • Ford Godzilla 7.3
  • GM LS and LT

What we do

  • Performance engine building
  • Go-fast parts for classics and modern hot rods
  • Professional installation, in-house

Where to find us

HRC Performance
Huntington Beach, California
(714) 202-7886
Sales@hrcperformance.com