Trick Flow® 455 HP GenX® Top-End Engine Kits for GM LS Truck TFS-K305-455-425

Overview

Brand:
Trick Flow Specialties
Manufacturer’s Part Number:
TFS-K305-455-425
Part Type:
Top End Kits
Summit Racing Part Number:
TFS-K305-455-425
Camshaft Included:
Yes
Camshaft Type:
Hydraulic Roller Tappet
Duration at 050 inch Lift:
216 int./220 exh.
Advertised Duration:
285 int./292 exh.
Valve Lift with Factory Rocker Arm Ratio:
0.560 int./0.560 exh.
Intake Manifold Included:
No
Fuel Delivery Style:
Fuel injected
Timing Chain and Gears Included:
No
Lifters Included:
No
Gaskets Included:
Yes
Cylinder Head Style:
Assembled
Cylinder Head Material:
Aluminum
Cylinder Head Color:
Natural
Combustion Chamber Volume (cc):
58
CNC-Machined Combustion Chamber:
Yes
Intake Runner Volume (cc):
205cc
Exhaust Runner Volume (cc):
80cc
CNC-Machined Intake Runner:
Yes
CNC-Machined Exhaust Runner:
Yes
Intake Port Location:
Standard
Intake Port Shape:
Cathedral
Exhaust Port Shape:
Oval
Exhaust Port Location:
Standard
Spark Plug Style:
Angle
Intake Valves Included:
Yes
Intake Valve Diameter (in.):
2.000 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.575 in.
Intake Valve Angle:
13.50
Exhaust Valve Angle:
13.50
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:
Steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Valve Stem Seal Material:
Viton® fluoroelastomer
Rocker Arms Included:
Yes
Rocker Arm Style:
Full roller
Rocker Arm Ratio:
1.7
Rocker Arm Studs Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Pushrods Included:
Yes
Valve Covers Included:
No
Valve Cover Mounting Style:
Centerbolt
Accessory Bolt Holes Drilled:
No
Valve Guides Included:
Yes
Valve Guide Material:
Powdered metal
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
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:
Aftermarket tuning is required after installation of this kit.

Warranty