AFR Direct Master Warehouse Distributor – All AFR Products Available. AFR 377cc BBC Rectangle Cylinder Heads. AFR is proud to announce their new BBC Marine Cylinder Head! These AFR 377cc heads feature 100% CNC ported intake, inconel exhaust valves, hydraulic roller springs, hard coat anodizing, Titanium retainers, and high quality components throughout. These heads are best suited for large displacement (540+) Big Block Chevrolet racing engines. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR Part # 2015B-TI. 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 has been manufacturing BBC Marine Cylinder Heads for over a decade with great success. Many of the top marine engine builders in the industry rely on AFR for the performance in their engines. Today we are pleased to announce that you too can receive the same great AFR performance with an easier way to order your AFR cylinder heads. These cylinder head assemblies will come complete with Inconel Exhaust Valves, Hydraulic Roller Springs, and Hard Coat Anodizing. 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# 2015B-TI. 377cc BBC Rectangle Port Assembled w/Inconel Exh. Hyd Roller Spring, Hard Coat Anodize AFR# 3575B – 377cc BBC Rectangle Port Bare w/Hard Coat Anodize. 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, 2.300″ x5.500 O. 11/32″ Nail Head Exhaust Valve, 1.880″ x 5.450 Overall Valve Length. PAC Racing Spring #1224 1.625 O. Hydraulic Roller, 275lbs on seat. 725 Maximum Lift, Max RPM 6500. 10° Titanium Retainer 1.500 O. D x 1.180 I. 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. 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. 006 per cc/ Maximum 114cc. Stud Girdle, (AFR Specific). Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads. 1 longer head bolts needed on four bottom exhaust bolt holes. 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 377cc Marine Rectangle Port Cylinder Heads Titanium Chevy Big Block 615″ is in sale since Tuesday, September 11, 2018. 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 2015-TI 121cc
- Brand: Air Flow Research
- Warranty: Yes
- Core Charge: None
- Manufacturer Part Number: AFR 2015B-TI