
60255 Performer RPM Aluminum Cylinder Head for Small Block Ford
- Performer RPM Aluminum Cylinder Head
- Small Block Ford 289-351W
- Valve Springs for Hydraulic Roller
- Valve Size: 2.02"/1.60"
- Port Volume: 190cc/60cc
- 60cc Combustion Chamber
- Max Lift: .575"
- Assembled
- Sold Individually
Designed for non-emissions 289, 302, and 351-Windsor Ford engines, these direct bolt-on heads deliver maximum performance in the 1500-6500 rpm range for all high performance street applications and our Performer RPM Power Package. Will not accept rail rockers.
Note: Aftermarket 289/302 heads including Brodix, Edelbrock, Ford Motorsport and World Products with 1/2' bolt hole diameters (block is 7/16' bolt hole), except 397-M-6049-P303 ('P' style head). Require 350-9680 inserts with 350-8552 head bolt or 350-9680 insert with 070-154-3601. If head studs are desired use 070-154-4005 (includes inserts).Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230' shorter than a conventional spark plug and have a 5/8' hex for easier access.
Valve Lift Intake Exhaust .100' 70 57 .200' 128 104 .300' 183 142 .400' 219 163 .500' 251 170 .600' 255 174 .700' 246 175 Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O Combustion Chamber Volume: 60cc Intake Runner Volume: 190cc Exhaust Runner Volume: 60cc Intake Valve Diameter: 2.02" Exhaust Valve Diameter: 1.60' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 5/8' Valve Spring Diameter: 1.46' Valve Spring Maximum Lift: 0.575' Rocker Stud: 3/8' Guideplate: Hardened Steel Pushrod Diameter: 5/16' Valve Angle: 20° Exhaust Port Location: Stock Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatEmissions 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.
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