Component upgrade and machining options are available to customize AFR Heads to your specific build. AFR suggests you upgrade your springs to AFR part #8019, 1.270 O. With higher spring pressures to reduce chances of valve float associated with rpms 6200 or higher, but smaller cams with less than.
500 lift can rev to 6500 rpm with the included springs. Important: Stock 86-93 5.0L must have pistons notched for clearance. There are many different options available for AFR heads, please view the details section below for the details on these heads. For the many other AFR heads available, and options such as upgrading springs or retainers.The Ultimate Bolt-On Emission Legal Street/Strip Weapon! If you need the world´s finest street/strip small block Ford head, check out AFR´s all new 185cc intake port emissions legal (CARB EO #250-3) performance aluminum cylinder heads. With lightweight 8mm 2.020" intake valves, 1.600" exhaust valves, combustion chamber volumes of 58cc or 72cc, and 70cc exhaust ports, AFR´s new 185cc Ford cylinder heads are designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm.
A 3/4 thick head deck makes the AFR head ideal for nitrous or blower applications. Also available with optional nitrous or blower exhaust ports featuring 70cc ultra high flowing exhaust ports. These heads will not accept shaft mount rocker arms.
Hardened pushrods required with cylinder heads #1420 and #1422. High flow 2.020 valves might require aftermarket pistons notched for valve clearance. Due to the large demand for AFR heads, AFR currently takes 3-4 weeks to build a set of heads. 100% CNC Ported Combustion Chambers 100% CNC Ported Exhaust Ports 100% CNC Ported Intake Ports Competition 5-angle Valve Job. 8mm Bead Lock Intake Valve 2.020" x 4.900" O.Bead Lock Exhaust Valve, 1.600. Pedastal 8mm Bead Lock Intake Valve 2.020" x 5.080" O. Pedestal 8mm Bead Lock Exhaust Valve, 1.600" x 5.100" O. PAC Racing Spring 1.290 OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat. 7° Bead Lock Valve Keepers. Ductile Iron Intake Valve Seats 2.131 O. D x 1.680 I. Ductile Iron Exhaust Valve Seats 1.650 O. D x 1.350 I. Specifications, Features, and Optional Supporting Components. 2.045" H x 1.205" W x 3/8 Radius. 1.355" H x 1.360" W.
Max Valve Spring Pocket Machining. 006 per cc 54cc Max (from 58cc); 68cc Max (from 72cc). 009 per cc 48cc Max (from 58cc); 62cc Max (from 72cc).
Note: Angle mills might require a. Intake Port Gasket, Fel-Pro #. Exhaust Port Gasket, Fel-Pro #1415.
Head Gasket, 302/351 Windsor, Fel-Pro #1011-1. Important: Do not port match you intake manifold to any Fel-Pro gasket as it does not precisely match AFR heads.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 1388 SBF 185cc Ford Renegade NON-Emissions Aluminum Cylinder Heads 347 351w" is in sale since Tuesday, March 8, 2011. 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.