These are the TFS PowerPort fully cnc ported 325cc intake runner aluminum heads with 78cc chambers, chromoly steel retainers. And a max lift of. Looking for serious Big-Block horsepower? Trick Flow PowerPort® cylinder heads are fully assembled for Ford 429/460 engines and deliver significant horsepower and torque gains over similar-style cylinder heads. Highlights include an extremely efficient chamber design for more complete combustion and exhaust ports raised. 270 from stock for increased airflow. Trick Flow PowerPort 325 heads are available with two runner configurations: Heads with CNC Street Ported runners are great entry-level CNC heads featuring fully CNC-machined runners and combustion chambers with a standard resolution surface finish for significant performance gains over regular cast heads. Heads with CNC Competition Ported runners feature CNC-profiled combustion chambers and runners with a premium high resolution surface finish for maximum, all-out performance. 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). Requires a Cobra Jet header. Exhaust port is raised 0.270 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. The item “Trickflow PowerPort BBF 325cc Aluminum Cylinder Head Big Block Ford 429 / 460″ is in sale since Friday, December 11, 2015. 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.
- Important Information: Price Listed is PER HEAD
- Interchange Part Number: Power Port
- Brand: Trick Flow Specialties
- Country/Region of Manufacture: United States
- Core Charge: None
- Material: Aluminum
- Manufacturer Part Number: TFS-53410007-C01
- Fitment Type: Performance/Custom
- Part Brand: TFS