STOCK AFR 1420 SBF 185cc Ford CNC Ported Aluminum Cylinder Heads 302/351 72cc. This product data sheet is originally written in English. AFR Direct Master Warehouse Distributor – All AFR Products Available. AFR 185cc SBF Cylinder Heads. AFR`s 185cc “Street” heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. These heads have air holes for smog pumps but are not smog legal in California. Not compatible with OEM pistons. 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 rpm’s 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. AFR Part # 1420. 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 (ARB only, 49 state legal, not California) 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° Chrome Moly Retainers. 7° Bead Lock Valve Keepers. ARP 3/8 Rocker Studs. Adjustable 5/16 Guide Plates. 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. Valve Cover Bolt Pattern. Valve Spring Pocket Diameter. 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). Minimum Cross Sectional Area. Note: Angle mills might require a. 120 Thick intake gasket. Intake Port Gasket, Fel-Pro #. Exhaust Port Gasket, Fel-Pro #1415. Head Gasket, 302/351 Windsor, Fel-Pro #1011-1. Head Bolt Washers, Manley. Performer or Performer RPM. Spark Plug Starting Range. 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! (Most Countries, check UPS. 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. TREperformance 1725 Monrovia Ave. Suite D7 Costa Mesa, CA 92627. This item is in the category “Vehicle Parts & Accessories\Car Parts & Accessories\Engines & Engine Parts\Cylinder Heads”. The seller is “treperformance” and is located in this country: US. This item can be shipped worldwide.
- Interchange Part Number: 347, Airflow, Renegade, Fully, 100%, 351w, 72cc chambers, 331, 363
- Placement on vehicle: Front
- Fitment Type: Performance/Custom
- Brand: AFR
- Material: Aluminum
- Manufacturer Part Number: AFR 1420
- Country/Region of Manufacture: United States
- Part brand: Air Flow Research
- Manufacturer Warranty: Yes
- Core Charge: None
- Type: Small Block Ford