AFR BBF 280cc Bullitt CNC Ported Big Block Ford Cylinder Heads 85cc Mustang 3806. This product data sheet is originally written in English. AFR Direct Master Warehouse Distributor – All AFR Products Available. AFR 280cc BBF Bullitt Cylinder Heads. AFR`s 280cc “As Cast” heads are the cost effective performance choice over re-worked factory heads. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout with standard exhaust port locations. Recommended for street, towing, or street/strip engines with displacements up to 477 cubic inches, operating up to 6200 RPM. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 3806. 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 Most Cost Effective Street/Strip Head Available AFR’s 280cc aluminum cylinder heads have 2.250″ intake valves and 1.760″ exhaust valves that move tremendous volumes of air through conservative runner volumes, spelling big torque and horsepower numbers. With combustion chamber volumes of 85cc accompanied by 132cc exhaust ports, AFR’s new 280cc is the ultimate choice for up to 477 cubic inch engines operating up to 6200 RPM. Notes: Due to AFR’s revised valve location and angle, application specific AFR pistons or fly cutting your current pistons will be required. CUSTOM ORDER – typically takes 3-4 weeks: AFR# 3805 – 280cc Bullitt Heads, 85cc, Hydraulic Roller Springs, NON-emission AFR# 3806 – 280cc Bullitt Heads, 85cc, Solid Roller Springs. Due to the large demand for AFR heads, AFR currently takes 3-4 weeks to build a set of heads. 50% CNC Ported Combustion Chambers 80% CNC Bowl Blend Intake & Exhaust, Intake Gasket Match Competition 5-Angle Valve Job. 11/32″ Bead Lock Intake Valve 2.250″ x 5.250 O. 11/32″ Bead Lock Tulip Exhaust Valve 1.760″ x 5.050 O. PAC Racing Springs 1.550 OD Solid Roller Dual Valve Drag Race Spring 220 lbs. 10° Manley Steel Retainers 1.500 O. D x 1.120 I. 10° 11/32 Beadlock Valve Keepers with lashcap recess. 7/16 Rocker Studs Intake. Adjustable 3/8 Guide Plates. 11/32 Viton Valve Seals. Hardened Valve Spring I. D Locator 1.550 O. Intake Valve Seats 2.450 O. D x 1.950 I. 11/32 Bronze Valve Guides. D x 2.250 O. Specifications, Features, and Optional Supporting Components. Exhaust Port Gasket, Fel-Pro #1420. Head Gasket, 4.500 Bore, Fel-Pro #1018. Head Bolt Washers, Manley. AFR Single Plane, AFR# 4992 or 4993. Spark Plug Starting Range. Minimum Cross Sectional Area. 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\Other Engine Parts”. The seller is “treperformance” and is located in this country: US. This item can be shipped worldwide.
- Interchange Part Number: Fully, 88cc chambers, Airflow, 100%, Aluminum
- Placement on vehicle: Front
- Fitment Type: Performance/Custom
- Brand: Air Flow Research
- Material: Aluminum
- Manufacturer Part Number: AFR 3806
- Country/Region of Manufacture: United States
- Part brand: Air Flow Research
- Manufacturer Warranty: Yes
- Core Charge: None
- Unit Type: Big Block Ford