Trick Flow GenX 260 Cylinder Heads for GM LS7 1.300" Dual Valve Springs(370 lbs./in.), Titanium Retainers & 6-bolt Mounting Pattern - TFS-3271T003-C01

Trick Flow GenX 260 Cylinder Heads for GM LS7 1.300" Dual Valve Springs(370 lbs./in.), Titanium Retainers & 6-bolt Mounting Pattern - TFS-3271T003-C01

SKU: TFS-3271T003-C01 Categories: , Tags: , ,

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Trick Flow GenX 260 Cylinder Heads for GM LS7 1.300″ Dual Valve Springs, Titanium Retainers & 6-bolt Mounting Pattern – TFS-3271T003-C01

Description

GM LS fans, here is a sure-fire formula for making more power: Big bore LS engine + Trick Flow GenX 260 LS7 cylinder heads = huge power in a lightweight package.

Trick Flow’s GenX 260 square port aluminum cylinder heads for GM LS7 are designed to meet the needs of enthusiasts using any LS-based engine block with a minimum bore diameter of 4.100″. To improve the factory design, Trick Flow added more material to the A356-T61 aluminum castings for increased rigidity and strength. Then Trick Flow improved the valvetrain system by integrating modular one-piece, 2024-T4 billet aluminum rocker arm mounts that are removable for high-end shaft rocker setups. Trick Flow’s high flow, high velocity CNC Competition Ported runners with the premium high resolution surface finish provide all-out air flow and performance throughout the entire powerband. Other major improvements include the available 6-bolt per cylinder clamping for GMPP LSX and other aftermarket blocks, clearance for 3/8″ pushrods, through-deck coolant holes to fit all GM LS gasket and block combinations, Trick-Alloy powdered-metal valve guides, solid stem valves, and two Trick Flow by PAC Racing Pacaloy™ valve spring packages.

Trick Flow GenX 260 square port cylinder heads for GM LS7 work with all LS7-style intake manifolds. The heads maintain the factory intake and exhaust port locations, valve angles, and valve locations so they work with existing LS7-based pistons. Fully assembled cylinder heads include valve springs, steel or titanium spring retainers, die forged steel valve locks, and valves. They are emissions-legal under CARB E.O. #D-747 for 2006-present GM vehicles with 7.0L engines, and are available fully assembled or as bare castings. Sold individually.

UPC: 842645109188
Combustion Chamber Volume (cc): 70
Intake Runner Volume (cc): 260cc
Exhaust Runner Volume (cc): 87cc
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Intake Port Shape: Square
Intake Valve Diameter (in): 2.200 in.
Cylinder Head Finish: Natural
CNC-Machined Combustion Chamber: Yes
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Location: Standard
Exhaust Port Shape: Oval
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.625 in
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
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Valve Cover Mounting Style: Centerbolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 12
Exhaust Valve Angle: 12
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 individually
Notes: These cylinder heads are not designed as a stock replacement, they can only be used on engines with a minimum bore diameter of 4.100 in. Includes new rocker arm rail mounts for use with LS7 1.8 ratio rocker arms. OEM rocker arm rail mounts will not work with these heads. Does not fit with stock exhaust manifolds; aftermarket headers are required.
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