There are many different options available for an AFR head, please view the details section below for the details on the head. For the many other AFR heads available, and options such as upgrading springs or retainers. AFR's 185cc SBF Enforcer Cylinder head feature their Permanent Mold As-Cast Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance.
This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. The all new SBF 185cc Enforcer cylinder head feature 2.020" intake valves, 1.600" exhaust valves and will come assembled with their 8017 springs; which are compatible with hydraulic roller or "Street" solid flat tappet camshafts.The head requires a 3/8" stud mounted rocker and are good for up to 0.600" of lift and approximately 6,500 RPM when used with a hydraulic roller camshaft. They come fully assembled with the identical components found in their higher end CNC ported cylinder head; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and ductile iron seats (not powdered metal) their one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY.
Due to the large demand for AFR heads, AFR currently takes 3-4 weeks to build a set of heads. 185cc Street Head Flow Chart.
Test conducted at 28" of water (pressure) on Superflow 600 Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe. As Cast Combustion Chambers As Cast Exhaust Ports As Cast Intake Ports 3-angle Valve Job. 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length. 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length. PAC Racing Spring 1.290 OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat.
7° Manley Steel Retainers 1.245 O. 7° Bead Lock Valve Keepers. D Locator 1.380 O. Specifications, Features, and Optional Supporting Components.
2.010" H x 1.070" W x 5/16 Radius. 1.370" H x 1.350" W. Max Valve Spring Pocket Machining. 006 per cc 54cc Max (from 59cc).
Important : Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit an AFR head. Head Gasket, 302/351W, Fel-Pro #1011-1. Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match an AFR head. Note: Milling head deck will affect flow numbers.We have AFR heads to fit almost every performance application! - UPS Worldwide Expedited - 3-9 days GUARANTEED!
Com) - UPS Worldwide Saver - 1-5 days GUARANTEED! We do not lower invoice values since it is a violation of US and International custom laws. Let us work to resolve your problem so everyone is happy. Suite D7 Costa Mesa, CA 92627. The item "AFR 1351 SBF 185cc Ford Enforcer As-Cast Aluminum Cylinder Head 302/351" is in sale since Friday, March 13, 2020.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "treperformance" and is located in Costa Mesa, California. This item can be shipped worldwide.