Trick Flow PowerPort 270 Cylinder Heads for Big Block Mopar 1.550″ Dual Valve Spring and TITANIUM Retainers – TFS-6161T783-C01
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Performance Cylinder Heads
Trick Flow PowerPort® 270 heads for big block Mopar are far better than stock and other aftermarket aluminum heads for several reasons. The PowerPort 270 heads rocker shaft and runner areas have been enhanced to increase strength, and the oil holes for the rocker shafts were relocated to improve oiling. To greatly reduce weight and increase strength, the heads are cast in premium grade A356-T61 aluminum. Other advantages of these heads include clearance for 3/8" pushrods, ductile iron valve seats, bronze alloy valve guides, and multi-angle valve seat machining performed on precision Serdi® equipment.
The PowerPort 270 heads feature larger, raised Max Wedge-style intake runners that provide a straighter path to the valve for improved airflow. The runners are treated to Trick Flow’s signature high resolution CNC Competition Ported surface finish that guarantees proper dimensional accuracy with balanced flow from runner-to-runner for maximum power potential.
Assembled cylinder heads come with premium 11/32" stainless steel valves, Trick Flow by PAC Racing valve springs, chromoly and titanium retainer options, and 7° or 10° steel valve stem locks. Trick Flow designed the PowerPort 270 heads to use all factory-style big block Mopar pistons, roller rocker arms, and headers. A Max Wedge-style intake manifold is recommended for best performance. They are available fully assembled or as bare castings. Sold individually. Check out our extensive range today!
| UPC: | 00842645120046 |
| Combustion Chamber Volume (cc): | 78 |
| Intake Runner Volume (cc): | 270cc |
| Exhaust Runner Volume (cc): | 74cc |
| Cylinder Head Style: | Assembled |
| Cylinder Head Material: | Aluminum |
| Intake Port Shape: | Rectangular |
| Intake Valve Diameter (in): | 2.190 in. |
| Cylinder Head Finish: | Natural |
| CNC-Machined Combustion Chamber: | Yes |
| CNC-Machined Intake Runner: | Yes |
| CNC-Machined Exhaust Runner: | Yes |
| Combustion Chamber Style: | Heart |
| Intake Port Location: | Standard |
| Exhaust Port Shape: | Oval |
| Exhaust Port Location: | Standard |
| Intake Valves Included: | Yes |
| Exhaust Valves Included: | Yes |
| Exhaust Valve Diameter (in.): | 1.760in. |
| Valve Springs Included: | Yes |
| Maximum Valve Lift (in): | 0.680 in. |
| Outside Diameter of Outer Spring (in): | 1.550 in. |
| Damper Spring Included: | No |
| Number of Springs Per Valve: | Dual |
| Retainers Included: | Yes |
| Retainer Material: | Titanium |
| Locks Included: | Yes |
| Lock Style: | 10 degree |
| Valve Stem Seals Included: | Yes |
| Valve Stem Seal Style: | Positive Stop |
| Rocker Arm Studs Included: | No |
| Rocker Arms Included: | No |
| Rocker Arm Nuts Included: | No |
| Guideplates Included: | No |
| Valve Cover Mounting Style: | Perimeter bolt |
| Accessory Bolt Holes Drilled: | Yes |
| Intake Valve Angle: | 15 |
| Exhaust Valve Angle: | 15 |
| Valve Guides Included: | Yes |
| Valve Guide Material: | Bronze |
| Valve Seats Machined: | Yes |
| Valve Seat Machine Style: | 3-angle |
| Valve Seat Material: | Ductile iron |
| Steam Holes Drilled: | No |
| Oiling Style: | Through head |
| Machined for O-Ring: | No |
| Heat Crossover: | No |
| Quantity: | Sold Individually |
| Notes: | Longer than stock pushrods may be required. Minimum bore size is 4.320 in. |
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