GenX ® 260 square port GM LS7 cylinder heads from Trick Flow are your best choice for several reasons . The A356-T6 aluminum castings feature more material for increased rigidity and strength . Valve angles and port locations work with existing LS7 intakes and pistons . Modular billet aluminum rocker arm mounts enhance valvetrain stability and are removable for shaft rocker setups . CNC Competition Ported runners deliver maximum airflow . Plus there ’ s clearance for 3 / 8 " pushrods and through-deck coolant holes that fit all GM LS gasket and block combinations .

So take advantage of the huge power GenX 260 heads can make and get ready to show your opponents your taillights .

Dyno Results GenX 260 Square Port

Airflow Results

GenX 260 Square Port

Test Engine : 11.7:1 compression GM 7.0L LS7 with Trick Flow GenX ® 260 cylinder heads ( TFS-3271T004-C01 ), custom hydraulic roller camshaft ( 229 °/ 246 ° duration @ . 050 "; . 651 "/. 651 " lift ; 115 ° lobe separation ), factory GM LS7 rocker arms and intake manifold , Kooks headers with 1 7 ⁄ 8 " primaries , 3 " dual exhaust with Flowmaster mufflers .

New heads are just one component of the horsepower recipe . To make it complete , you ’ re going to need some more ingredients .

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Tests conducted at 28 " of water ( pressure ). Bore size : 4.125 "; exhaust with 2 " pipe .

Track Max ® Camshafts

Give your GM LSX an even bigger power boost with a Track Max camshaft . Available in several hydraulic roller designs up to 230 °/ 238 ° duration and . 625 "/. 625 " of lift , they are dyno proven to produce significant power increases over the entire RPM range .

Active Fuel Management and Variable Valve Timing Delete Kits

The problem : most performance camshafts don ’ t work on engines equipped with AFM or VVT . The solution ? Ditch them with these delete kits ! They include everything to completely remove AFM and VVT the right way so your engine will make the power you expect with no hiccups .

Cylinder Head Bolt Kits

Keep combustion where it belongs ! These high-quality cylinder head bolt kits provide consistent clamping force . The bolts are made from premium quality alloy steel with cold-formed heads and rolled threads . The kit contains all the bolts you need to install a pair of heads .

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Some parts are not legal for use in California or other states with similar laws / regulations . Please check your state and / or local laws / regulations .