Trickflow PowerPort A460 CNC Ported Aluminum Cylinder Head Big Block Ford 360cc. This product data sheet is originally written in English. These are the TFS PowerPort 360cc intake runner aluminum heads with 85cc chambers, titanium retainers. And a max lift of. 900 with Titanium Intake Valves. Looking for serious Big-Block horsepower? Trick Flow PowerPort® cylinder head is fully assembled and deliver significant horsepower and torque gains over similar-style cylinder heads. Trick Flow’s potent PowerPort® A460 360 cylinder heads for Ford 429/460 are ideal for use in drag racing, monster trucks, tractor pulling, and other ultra-high power, large cubic inch engine combinations. The heads have CNC Competition Ported runners with Trick Flow’s top-of-the-line, premium high-resolution surface finish for maximum airflow and performance in all-out naturally aspirated or forced induction applications. Other features include big block Chevrolet-style exhaust port openings and a heavy-duty, 18-bolt mounting pattern for superior gasket retention. Accessory Bolt Holes Drilled. Combustion Chamber Volume (cc). Exhaust Runner Volume (cc). Exhaust Valve Diameter (in). Intake Runner Volume (cc). Intake Valve Diameter (in). Maximum Valve Lift (in). Intake Valves TO18-bolt cylinder heads are compatible with Ford Racing M-6010-A500 460 race block only. A460 specific intake manifold and custom-built headers required. Standard big block Chevy exhaust flange bolt pattern. Intake valves have 5/16 in. The lightweight stainless intake valves in this head are optimized for NA engines only. Titanium valves recommended for forced induction. Exhaust port is raised 1.5 in. Intake port is raised 1 in. Number of Springs Per Valve. Outside Diameter of Outer Spring (in). Rocker Arm Nut Thread Size. Rocker Arm Nuts Included. Rocker Arm Studs Included. 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. And no repairs will be provided, nor labor charges covered by TREperformance Inc. TREperformance 1725 Monrovia Ave. Price Listed is PER HEAD. Ford Racing M-6010-A500 race block only.