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

Name: Trick Flow® 455 HP GenX® Top-End Engine Kits for GM LS Truck
Brand: Trick Flow Specialties
SKU: TFS-K305-455-425
Price: 3899.96 USD
Availability: InStock
Rating: 0 (0 reviews)

Part Number: TFS-K305-455-425

$3,899.96

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

Head Combo, GenX® Top-End, 455 hp/426 ft.-lbs. Torque, Chevy, 5.3L, Kit
See More Specifications | Check the Fit

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

TFS-K305-455-425

Part Number: TFS-K305-455-425

Estimated Ship Date: Today

$3,899.96

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Overview

Applications

Recommended Parts

Kit/Combo Contents

Instructions & Calculators

Estimated Ship Date: Today

Overview

Brand:

Trick Flow Specialties

Manufacturer's Part Number:

TFS-K305-455-425

Part Type:

Top End Kits

Product Line:

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

Summit Racing Part Number:

TFS-K305-455-425

Cylinder Heads Included:

Yes

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:

Fuel Delivery Style:

Fuel injected

Carburetor Included:

Throttle Body Included:

Fuel Rails Included:

Fuel Injectors Included:

Timing Chain and Gears Included:

Lifters Included:

Gaskets Included:

Yes

Cylinder Head Style:

Assembled

Cylinder Head Material:

Cast aluminum

Cylinder Head Color:

Natural

Combustion Chamber Volume (cc):

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:

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:

Rocker Arm Nuts Included:

Guideplates Included:

Pushrods Included:

Yes

Valve Covers Included:

Valve Cover Mounting Style:

Centerbolt

Accessory Bolt Holes Drilled:

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:

Oiling Style:

Through pushrod

Machined for O-Ring:

Heat Crossover:

Quantity:

Sold as a kit.

Notes:

Aftermarket tuning is required after installation of this kit.

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

Get more brawn for your Chevy truck with GenX® Top-End engine kits from the power people at Trick Flow®. The engineers at Trick Flow® have been hard at work tweaking these LS engine kits so you get dyno-proven horsepower with no guesswork! These kits feature GenX® aluminum cylinder heads with fully CNC-machined and bowl-blended combustion chambers and CNC-ported intake and exhaust runners for maximum airflow. They also offer a heat-treated and precision-ground Track Max® hydraulic roller tappet camshaft for enhanced power, as well as Trick Flow® one-piece chromoly pushrods with precision-drilled and chamfered oil holes. These kits also include shaft mount roller rockers, bolts, and gaskets. Matched for more muscle, the components in these Top-End kits can add 50-75 hp to your LS-powered truck. Get bolt-on, proven Trick Flow® performance with GenX® Top-End engine kits for your GM LS truck.

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