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Trick Flow® 485 HP GenX® Top-End Engine Kits for GM LS1 TFS-K306-485-460

Trick Flow Specialties TFS-K306-485-460 - Trick Flow® 485 HP GenX® Top-End Engine Kits for GM LS1

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Head Combo, GenX® Top-End, 485 hp/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit

Estimated Ship Date: Monday 3/2/2015 Would you rather pick it up? Select Location

  • Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Brand: Trick Flow Specialties

Manufacturer's Part Number: TFS-K306-485-460

Part Type: Cylinder Head Combos

Product Line: Trick Flow® 485 HP GenX® Top-End Engine Kits for GM LS1

Summit Racing Part Number: TFS-K306-485-460

Camshaft Included: Yes

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 Finish: Natural

Combustion Chamber Volume (cc): 64

CNC-Machined Combustion Chamber: Yes

Intake Runner Volume (cc): 215cc

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

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.040 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: Titanium

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 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: Yes

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 pushrod

Machined for O-Ring: No

Heat Crossover: No

Cylinder Head Bolts Included: Yes

Quantity: Sold as a kit.

Notes: Camshaft specs are 216/220 duration, .560 in./.560 in. lift, 114 lobe separation angle. 1997-98 model engines require the purchase of centerbolt valve covers. Trick Flow recommends this kit be used with at least 10.5:1 compression and a LS6 or FAST 90mm intake manifold. Aftermarket tuning is required after installation of this kit.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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Don't waste time trying to figure out which parts you need to get the performance you want--Trick Flow® has already done the work for you! These GenX® Top-End Engine Kits for GM LS1 are designed and dyno tested to deliver the performance you want for less than purchasing the parts separately. Each kit includes a pair of Trick Flow® GenX® street/strip cylinder heads, a specially matched hydraulic roller cam, roller rocker arms, pushrods, head gaskets, head bolts, exhaust gaskets, and balancer bolt.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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