Trick Flow GenX 255 LS3 Cylinder Heads


Quantity : One
Spring Type: 450 lbs
Price:
$ 1,308

Description

Trick Flow engineers have blended the finest attributes of OEM GM LS3 and LS7 cylinder heads with their renowned race-winning engineering and technology to create the GenX® 255. This ultimate square port LS cylinder head is designed for engines with a 4.000" and larger bore.

These heads feature fully CNC Competition Ported runners with a premium high-resolution surface finish to maximize airflow and performance potential. Fully  assembled, 69cc CNC Chambers and 450 Lb. Springs

The stock LS3 ports are compatible with LS3-style intake manifolds and LS9/LSA blower assemblies. The valve angles have been optimized from 15° to 12° to enhance piston-to-valve clearance, allowing for the use of larger camshafts. Additionally, the coolant holes through the head deck have been redesigned to be compatible with all LS head gasket and engine block combinations. The GenX 255 heads are available in both standard and 6-bolt per cylinder mounting patterns.

Furthermore, the Trick Flow GenX 255 cylinder heads are emissions-legal under CARB E.O. #D-747 for 2007-present GM vehicles with 6.2L engines.

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