Trick Flow® 430 HP GenX® Top-End Engine Kits for GM LT1 TFS-K304-430-400

Head Combo, GenX® Top-End, 430 hp/400 ft.-lbs. Torque, Chevy, Small Block, LT1, Kit

Part Number:
TFS-K304-430-400
Part Type:
Camshaft Included:
Yes
Duration at 050 inch Lift:
220 int./227 exh.
Advertised Duration:
266 int./272 exh.
Valve Lift with Factory Rocker Arm Ratio:
0.530 int./0.530 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 Finish:
Natural
Combustion Chamber Volume (cc):
54
CNC-Machined Combustion Chamber:
Yes
Intake Runner Volume (cc):
185cc
Exhaust Runner Volume (cc):
67cc
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Intake Port Location:
Standard
Intake Port Shape:
Rectangular
Exhaust Port Shape:
D-port
Exhaust Port Location:
Standard
Spark Plug Style:
Angle
Intake Valves Included:
Yes
Intake Valve Diameter (in):
2.020 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in):
1.600 in.
Intake Valve Angle:
21
Exhaust Valve Angle:
21
Valve Springs Included:
Yes
Outside Diameter of Outer Spring (in):
1.300 in.
Damper Spring Included:
Yes
Number of Springs Per Valve:
Dual
Retainers Included:
Yes
Retainer Material:
Chromoly 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:
1.6
Rocker Arm Studs Included:
Yes
Rocker Arm Nuts Included:
Yes
Rocker Arm Nut Thread Size:
3/8-24 in.
Guideplates Included:
Yes
Guideplate Pushrod Size:
5/16 in.
Pushrods Included:
No
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
Quantity:
Sold as a kit.
Notes:
Includes an adjustable 6.125 in. to 7.500 in. pushrod length checker. Aftermarket tuning is required after installation of this kit.

Get the most out of your GM LT1 with Trick Flow's 430 HP GenX® Top-End Engine Kits. These kits are carefully tuned to deliver the right amount of horsepower and torque. Take the time and guesswork out of designing a winning combination and save some hard-earned cash. GenX® Top-End Kits for GM LT1 feature Trick Flow's GenX® 185 heads to deliver increased power on naturally aspirated engines. These heads feature 54cc CNC-profiled and bowl-blended combustion chambers and Fast As Cast runners (185cc intake/67cc exhaust). You also get a hydraulic roller camshaft, pushrod length checker, roller rocker arms, head bolts, and a gasket set.

Warranty

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