The Edelbrock part #35980 Pro-Flo 4 EFI System for Pontiac 326-455 C.I. engines is equipped with the latest in technology and features. The EFI system comes complete with a traditional 4150-Style satin finish single plane 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 to ensure 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 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 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 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 with an Android smart phone or tablet.Pro-Flo 4 does not require laptop tuning.
Installation Instructions
Technical Bulletin
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1975	Buick	LeSabre	Custom
1984	GMC	G3500	Magnavan
1975	Oldsmobile	98	Luxury
1975	Oldsmobile	98	Regency
1975	Oldsmobile	Custom Cruiser	Base
1975	Oldsmobile	Custom Cruiser	Panel
1975	Oldsmobile	Delta 88	Base
1975	Oldsmobile	Delta 88	Royale
1958-1979	Pontiac	Bonneville	Base
1976-1979	Pontiac	Bonneville	Brougham
1959-1962	Pontiac	Bonneville	Custom
1959-1970,1978-1979	Pontiac	Bonneville	Safari
1964-1967	Pontiac	Catalina	2+2
1958-1979	Pontiac	Catalina	Base
1971-1972	Pontiac	Catalina	Brougham
1959-1979	Pontiac	Catalina	Safari
1962-1970	Pontiac	Catalina	Ventura
1958	Pontiac	Chieftain	Base
1958	Pontiac	Chieftain	Safari
1967-1970	Pontiac	Executive	Base
1967-1970	Pontiac	Executive	Safari
1967	Pontiac	Firebird	326
1968-1969	Pontiac	Firebird	350
1969	Pontiac	Firebird	350 HO
1967-1969	Pontiac	Firebird	400
1967-1979	Pontiac	Firebird	Base
1970-1979	Pontiac	Firebird	Esprit
1970-1979	Pontiac	Firebird	Formula
1967-1968	Pontiac	Firebird	HO
1968-1969	Pontiac	Firebird	Sprint
1969-1979	Pontiac	Firebird	Trans Am
1973-1975	Pontiac	Grand Am	Base
1975-1978	Pontiac	Grand LeMans	Base
1975,1977-1979	Pontiac	Grand LeMans	Safari
1962-1974,1976-1977	Pontiac	Grand Prix	Base
1975,1977	Pontiac	Grand Prix	LJ
1975-1977	Pontiac	Grand Prix	SJ
1971-1978	Pontiac	Grand Safari	Base
1971-1974	Pontiac	Grandville	Base
1975	Pontiac	Grandville	Brougham
1964-1973	Pontiac	GTO	Base
1970-1971	Pontiac	GTO	The Judge
1963-1977	Pontiac	LeMans	Base
1972-1974	Pontiac	LeMans	Luxury
1969-1970,1973-1975,1977-1979	Pontiac	LeMans	Safari
1974	Pontiac	LeMans	Safari Luxury
1970-1977	Pontiac	LeMans	Sport
1971	Pontiac	LeMans	T37
1977-1979	Pontiac	Phoenix	Base
1978-1979	Pontiac	Phoenix	LJ
1978-1979	Pontiac	Phoenix	SJ
1958-1966	Pontiac	Star Chief	Base
1958	Pontiac	Star Chief	Custom Safari
1966	Pontiac	Star Chief	Executive
1958	Pontiac	Star Chief	Super Deluxe
1958	Pontiac	Super Chief	Base
1961,1963-1970	Pontiac	Tempest	Base
1964-1965,1967-1969	Pontiac	Tempest	Custom
1970	Pontiac	Tempest	GT
1961	Pontiac	Tempest	LeMans
1961,1963-1969	Pontiac	Tempest	Safari
1960-1961,1971-1977	Pontiac	Ventura	Base
1973-1975	Pontiac	Ventura	Custom
1974	Pontiac	Ventura	GTO
1975	Pontiac	Ventura	S
1975-1977	Pontiac	Ventura	SJ

SHIPPING POLICY

For US customers, we offer 3 shipping options:

• Free shipping for orders over $69. This shipping option takes 5-8 business days.
• Economy for small orders (less than 1lbs) $6.99
• This shipping option takes 5-8 business days. 
• Standard shipping (FedEx / UPS) for all orders $9.99 
• This shipping option takes 1-5 business days. 

*Most Arrow exhausts  ship directly from Italian warehouse!

It typically arrives at our store within 1-2 weeks, and then we'll ship it out to you right away!

*Most of M4 and Empire exhausts Due to high volume of sales, lead time could be up to 5-20 business days before shipping.

We are currently unable to offer   overnight or 2-day guaranteed shipping .

This is because the warehouses of most of our suppliers only ship Ground.

Products ship from our Miami facility or drop ship direct from our Suppliers

Orders placed before 11am CST are typically will send the same day. 

Most orders placed after that time are will send the following business days. 

 

If you have specific shipping requests or needs please contact us at sales@bills-exhausts.com prior to purchasing and we will do our best to assist you.

If an item is back ordered from the manufacturer you will be notified by us. FYI – We don’t like it when this happens any more than you do.

We will try and help as best we can with back orders

A TRACKING NUMBER will be send to you via email or text after purchasing .

 

SHIPMENTS WITHIN THE U.S.

FREE STANDARD SHIPPING  on orders over $69 is available in all US lower 48 states, APO addresses, and Puerto Rico via USPS or UPS.  (*Exceptions apply for Alaska and Hawaii.)

Free standard shipping means we will select an option that gets you your parts as soon as possible while still being economically priced.

We reserve the right to deny free shipping for any reason.

About pre-orders:

When you order  PRE-ORDER it  means that you can purchase it before the official release date and then, you just wait for the shipping Usually pre-orders takes from 1-6 weeks depending the brand and the product. 

 

Contact us when ordering or we will contact you to go over rates and times.

INTERNATIONAL SHIPMENTS

WE SHIP WORLDWIDE Shipping rates outside the US are based upon destination and weight. 

Canada ,European Union and Puerto Rico Fast shipping with DHL Prepaid Customs/Taxes (DDP)

• * Countries we don't collect  tax or duties required pay by you.

Please note that we are unable to ship oversized items such as tires, batteries, and oils internationally.

For these items, we offer Large Truck Load (LTL) freight shipping.

Please be aware that LTL shipping costs may vary and exceed the estimated amount at checkout.

We will contact you for confirmation before processing your order.

If you have questions about these fees or duties contact us prior to ordering and we can assist you.

 -For international orders, customers who refuse the package will not receive a refund for the original shipping cost. Additionally, any return shipping fees incurred by us will be deducted from the customer's refund

 -Tires are not eligible for return.

 -Electronics are not eligible for return.

More for Return policy here

 

Delivery times for international shipments are typically 5 to 9 business days, but this can vary depending on your country’s customs procedures.

Orders delayed by customs are not something we can control or change.

 

ALL international orders (Includes CANADA ,California and Puerto Rico) needed to be ship from our location in Miami Florida.

Most of International orders cannot drop ship from supplier's warehouses(Except on some specific Brands)

Parts typically take 2-7 business days to arrive at our warehouse.

Once they're in, we'll send you a tracking number.

The estimated delivery time shown at checkout begins once the part is shipped from our warehouse