Trick Flow PowerPort 240 Cylinder Heads for Big Block Mopar 1.550″ Dual Valve Springs – TFS-61617802-C00
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Performance Cylinder Heads
Trick Flow PowerPort® 240 heads for big block Mopar are superior to stock and other aftermarket aluminum heads for several reasons. PowerPort 240 heads are made from premium grade A356-T61 aluminum because it is very strong and weighs a lot less than cast iron. The rocker shaft and runner areas have been enhanced to increase strength, and the oil holes for the rocker shafts were relocated to improve oiling. The shape of the runners was optimized to increase flow velocity and add much needed strength to the shaft bosses. The combustion chambers and runners are fully CNC Street Ported to guarantee proper dimensional accuracy and balanced flow from runner-to-runner.
Other advantages of PowerPort 240 heads over stock 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. 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 240 heads to use all factory-style big block Mopar pistons, roller rocker arms, intake manifolds, and headers. They are available fully assembled or as bare castings & CNC ported. Sold individually. Check out our extensive range today!
| UPC: | 842645116896 |
| Combustion Chamber Volume (cc): | 78 |
| Intake Runner Volume (cc): | 240cc |
| 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.): | 1.760 in. |
| 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: | Steel |
| 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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