Trick Flow® GenX® Top-End Engine Kits for GM LS TFS-K326-580-520

Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit

Part Number:
TFS-K326-580-520
Part Type:
Camshaft Included:
Yes
Duration at 050 inch Lift:
230 int./238 exh.
Advertised Duration:
278 int./286 exh.
Valve Lift with Factory Rocker Arm Ratio:
0.625 int./0.625 exh.
Intake Manifold Included:
No
Timing Chain and Gears Included:
No
Lifters Included:
No
Gaskets Included:
Yes
Cylinder Head Style:
Assembled
Cylinder Head Material:
Aluminum
Cylinder Head Finish:
Natural
Combustion Chamber Volume (cc):
69
CNC-Machined Combustion Chamber:
Yes
Intake Runner Volume (cc):
255cc
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Intake Port Location:
Standard
Exhaust Port Location:
Standard
Spark Plug Style:
Angle
Intake Valves Included:
Yes
Intake Valve Diameter (in):
2.165 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in):
1.600 in.
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in):
1.300 in.
Damper Spring Included:
No
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Titanium
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Rocker Arms Included:
No
Rocker Arm Studs Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Pushrods Included:
Yes
Valve Covers Included:
No
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
Powdered metal
Valve Seats Machined:
Yes
Valve Seat Material:
Ductile iron
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Quantity:
Sold as a kit.
Notes:
Camshaft specs are 278/286 duration, .625 in./.625 in. lift, 113 lobe separation angle. Trick Flow dyno-tested this kit using a GM 6.2L LS3 10.43:1 compression engine, a L92 90mm intake manifold, Kooks headers with 1 7/8 in. primaries, and dual exhaust with 3 in. Flowmaster mufflers.

Are you still confused as to which parts you need to get the performance you want? Quit wasting time and second-guessing yourself. Trick Flow® for your GM LS has already done the work for you with their Top-End Engine kits. Designed and dyno-tested to deliver the performance you crave for less than purchasing the parts separately, these kits save time and money!

What's in these GenX® Top-End Engine kits?

* A pair of Trick Flow® GenX® street/strip cylinder heads
* A specially matched hydraulic roller cam
* Some kits contain roller rocker arms
* Pushrods
* Head gaskets
* Head bolts
* Exhaust gaskets
* Balancer bolt

Warranty

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