
5025 E-Street Cylinder Heads for Small Block Ford
- Small Block Ford 289-351ci
- Valve Springs for Hydraulic Flat Tappet
- Port Volume: 170cc/60cc
- Valve Size: 2.02"/1.60"
- 60cc Combustion Chambers
- 3/8" Rocker Stud
- Max Lift: .550"
- Assembled, Sold In Pairs
Specifications:
- Chamber Volume: 60cc
- Deck Thickness: 5/8"
- Valve Spring Diameter: 1.46"
- Max Lift: .550"
- Rocker Studs: 3/8" with Guide Plate
- Pushrod Diameter: 5/16"
- Intake Port Volume: 170cc
- Intake Valve Diameter: 2.02"
- Exhaust Port Volume: 60cc
- Exhaust Valve Diameter: 1.60"
Technical Notes:
Use with hydraulic camshafts less than .550" max lift. Not Compatible with hydraulic roller camshafts. Recommended spark plugs are Champion RC12YC or equivalent 14mm x ¾" reach with flat gasket seat. Requires hardened pushrods. 289-302 cid with 7/16" head bolts requires 350-9680 head bolt bushing kit. 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance.
Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28" H2OValve Lift .100" .200" .300" .400" .500" .600" .700" Intake 65 121 174 216 242 249 - Exhaust 42 92 130 150 162 168 - Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Affordable Aluminum Performance Built for the Street
Edelbrock E-Street cylinder heads deliver proven aluminum performance for street-driven muscle cars, hot rods, and performance trucks. Manufactured in the USA from A356 T-6 heat-treated aluminum, E-Street heads are engineered to provide improved airflow, efficient combustion chamber design, and reliable durability for entry-level to moderate-performance engine combinations. Larger-than-stock intake and exhaust runners help increase horsepower, broaden torque curves, and improve throttle response while maintaining excellent street manners in idle-to-5,500 RPM operating ranges. Fully assembled with premium components including stainless steel valves, manganese bronze valve guides, hardened spring cups, and screw-in rocker studs, Edelbrock E-Street cylinder heads offer enthusiasts an affordable upgrade with the quality, fitment, and engineering expected from one of the most trusted names in performance engine components.
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