It measures only half the depth of the previous ECU, making it easier to hide beneath the dashboard. © 2020 Power Automedia. Unfortunately, or fortunately (depending on your point of view) these ultra-performance crate engines carry a steep price. The EFI system comes complete with a traditional 4150-Style satin finish single plane intake manifold and 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. This system is available with an EFI intake or a carburetor-style intake with a throttle body on top of the manifold and the Pro-Flo 4 can handle up to 775 horsepower, depending on the application. Step up slightly in price and there are a bunch of proven performers like Dartâs SHP 23-Degree head for $1,180, TFSâs Super 23 at $1,598 and AFRâs, Cosworth Strengthens Piston Performance with Materion, M1 Concourse Announces Timothy McGrane as New CEO, Champion Modern Muscle 0W-40 for Gen III Hemi, Fluidampr Toyota 2JZ 15% Underdrive Damper, Mild vs Wild â Horsepower At Any Cost (Diesel Edition) Ep. Because of this design, the intake manifold runner temperatures and length do not affect efficient mixture control. Twin-Turbo C8 Corvette Pumps Record-Breaking 1,000, Monster Garage: Jesse James To Race LS-Powered Rampage At Texas, New DiabloSport Suspension Controller for 2015+ SRT And Hellcat, New Pro-Fit TKX 5 Speed Systems For 1995-82, NSRA Southeast Nationals Brings Rodding Variety To, Bringing The Show To You: PRI Embarks On Cross-Country Road, Burnout Rivals: The Sequel To Cleetus McFarland’s Freedom, Inside The Project BlownZ28 Limited Drag Radial, A Turn of Fraze: How to Safely Wake a “Sleepy Looking” C6, Brotherly Tribute: Gary Houghtaling’s Twin Turbo 1964 Ford, SEMA 2020: OPGI Seals The Deal With Repro ’69-72 GM, SEMA 2020: OPGI Features Restopartsâ Brand Sway Bars For, SEMA 2020: Classic Dash Releases New Elite Series Gauge, 2020 Product Showcase: Fuelabâs Twin-Screw Fuel Pump Surge, Product Showcase 2020: Master Power Brakes Booster/Master, 2020 Product Showcase: SPEC Clutches For Two Very Different, Josh Stahl’s Reviva Renews A Resurgence Of LS Swap, By Design: Sean Smith Builds A Brand On Muscle Car, How Ken Lingenfelter’s Love for Corvettes Benefits So, High-Performance Racing Fasteners: How ARP Fasteners Are, Brenspeed Shows Off Five GT350 Builds in the Works, Mac’s Hot Rod Shop Is Filled With Nostalgia And, How Exactly Does Dual-Fuel Work on a Gen 3, Quick Six with Flaming River: Manual Steering Pros and, Rare Rides: The 1969 Chevrolet Camaro COPO, Twin-Turbo C8 Corvette Pumps Record-Breaking 1,000 Horsepower, Monster Garage: Jesse James To Race LS-Powered Rampage At Texas Mile. Unlike regular throttle body EFI systems, Pro-Flo 4 features the fuel rails and individual … The Pro-Flo 4 Kit is available for use with traditional … Replacement 350 And 454 Grille Emblems For Your Squarebody Are Back! Flo-Tek owner Ron Schmitt traces the lineage of his heads to when he was a dealer for the New Zealand-based Pro-Action cylinder heads. While the right set of heads can add up to 100hp, a top-end kit can add up to 200hp without additional weight or complexity. Trick Flow Specialties (TFS) has since offered head/cam packages and Dart, Brodix, Indy Cylinder Head and others offer top-end kits with coordinated heads and manifold packages. Iconic parts maker Edelbrock has an entry-level line of aluminum heads called its E-Street series that sells for $922/pair â a perfect alternative to rebuilt iron heads. According to Edelbrock, the AVS2 has the ability to âhold a tune,â meaning that tuning and adjustments stay unchanged, providing consistent performance. A lot has changed in the performance cylinder head market since my last head story in EB in 2010. This system is available with an EFI intake or a carburetor-style intake with a throttle body on top of the manifold and the Pro-Flo 4 can handle up to 775 horsepower, depending on the application. All rights reserved. Find Edelbrock Pro-Flo 4 EFI Systems and get Free Shipping on Orders Over $99 at Summit Racing!