AFR Direct Master Warehouse Distributor – All AFR Products Available. AFR 315cc BBC Rectangle Cylinder Heads. AFR’s 315cc heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 2000. 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. AFR’s Torque Monster! The smallest intake volume runners in AFR’s BBC rectangle port line-up, but don’t let size fool you. AFR’s fully CNC ported 315cc aluminum cylinder heads will provide you with flow numbers most medium sized heads, and some larger, can only dream about. This line was designed to optimize low and mid-lift airflow, while still generating impressive peak figures. These heads should also be given strong consideration in larger street driven or marine applications up to 555 CID, where low rpm power and drivability are a factor. The 315 version is extremely versatile with its incredibly strong low and midlift airflow figures as well as peak numbers approaching the 400 CFM mark. These heads would be a great choice if your looking for big torque, strong low rpm performance, and still have good rpm capabilities. 750″ thick head deck, reinforced rocker stud bosses, and are equipped with premium one piece stainless steel 2.250″ intake valves and 1.880 exhaust valves. Standard combustion chamber volume is 121cc for our BBC 315cc. Properly selecting the correct cylinder head for an application depends on a large number of variables. Please consult with one of our sales technicians to assist you in making the best decision for your particular application. Note: Optional stud girdle required for 2° rolled valve angles and 1 longer head bolts needed on four bottom exhaust bolt holes. Longer pushrods might also be required. CUSTOM ORDER – typically takes 3-4 weeks: AFR# 2000 – 315cc Rectangle Heads, Full CNC Ports and Chambers. NON-emission AFR# 3150 – 315cc. Full CNC Ports and Chambers, No Parts. Due to the large demand for AFR heads, AFR currently takes 3-4 weeks to build a set of heads. 100% CNC Ported Chambers, Exhaust and Intake. Competition 5-angle Valve Job. 11/32″ Intake Valve, 2.250″ x 5.500 O. 11/32″ Nail Head Exhaust Valve, 1.880″ x 5.450 Overall Valve Length. Manley 10° Steel Retainers 1.500 O. D x 1.168 I. PAC Racing Spring #1224 1.625 O. Solid Roller, 275lbs on seat. 10° 11/32 Valve Locks with lashcap recess. ARP 7/16 Rocker Exhaust Studs. ARP 7/16 Rocker Intake Studs. Adjustable 3/8 Guide Plates. 11/32 Viton Valve Seals. Hardened Spring Cup 1.740 O. D / 1.650 I. Intake Valve Seats 2.450 O. D x 2.000 I. Exhaust Valve Seats 2.000 O. D x 1.580 I. 11/32 Intake Bronze Valve Guides. D x 2.10 O. 11/32 Exhaust Bronze Valve Guides. D x 2.25 O. Specifications, Features, and Optional Supporting Components. Head Gasket, Fel-Pro #1047 (Mark V and VI). Head Gasket, Fel-Pro #1017-1 (Mark IV). Head Bolt Washers, Manley. Spark Plug Starting Range. 121cc w/ CNC Chambers or 117cc w/ As Cast Chambers. Valve Spring Pocket Diameter. 2.450″H x 1.755″W x 13/32 Radius. 1.780″H x 2.025″ W. 24°/4° Intake, 15°/4° Exhaust. 009 per cc/ Maximum 104cc as cast or CNC Chamber. 006 per cc/ Maximum 108cc as cast or 114cc CNC Chamber. Stud Girdle, (AFR Specific). 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. 1 longer head bolts needed on four bottom exhaust bolt holes. Angle mills might require a. 120 thick intake gasket. 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. The item “AFR BBC 315cc Rectangle Port Cylinder Heads CNC Ported Chevy Big Block 540 2000″ is in sale since Wednesday, January 20, 2016. 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.
- Placement on Vehicle: Front
- Part Brand: Air Flow Research
- Interchange Part Number: Airflow 2000 121cc
- Brand: Air Flow Research
- Warranty: Yes
- Core Charge: None
- Manufacturer Part Number: AFR 2000