Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261B003-C01

Part Number: TFS-3261B003-C01

$1,149.99

Cylinder Head, GenX® 255, Aluminum, Bare, 69cc Chamber, 255 cc Intake, GM, 6.2,.7.0L, LSX Block, Each
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Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261B003-C01

Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261B003-C01

TFS-3261B003-C01

Part Number: TFS-3261B003-C01

Estimated Ship Date from Ohio: Today

$1,149.99

Estimated Ship Date from Ohio: Today

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Overview

Brand:
Manufacturer's Part Number:
TFS-3261B003-C01
Part Type:
Product Line:
Summit Racing Part Number:
TFS-3261B003-C01
UPC:
842645108990
Combustion Chamber Volume (cc):
69
Intake Runner Volume (cc):
255cc
Exhaust Runner Volume (cc):
87cc
Cylinder Head Style:
Bare
Cylinder Head Material:
Cast aluminum
Intake Valve Diameter (in.):
2.165 in.
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
Intake Valves Included:
No
Exhaust Valves Included:
No
Exhaust Valve Diameter (in.):
1.600 in.
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
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
Cylinder Head Color:
Natural
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
These cylinder heads are not designed as a stock replacement, they can only be used on 6 bolt LSX-based engines with a minimum bore diameter of 4.000 in. Competition ported. Will not work with 2010 and later OEM exhaust manifold. Aftermarket headers required. This cylinder head does not include rocker arm rail mounts.

Trick Flow® GenX® 255 Cylinder Heads for GM LS3

Trick Flow engineers combined the best features of factory GM LS3 and LS7 cylinder heads with Trick Flow’s own unique brand of race-winning engineering and technology to create the ultimate square port LS cylinder head for 4.000" and larger bore engines—the GenX® 255. The heads feature fully CNC Competition Ported runners with a premium high resolution surface finish for maximum airflow and performance potential. The valve angles have been changed from 15° to 12° to increase piston-to-valve clearance and allow the use of larger camshafts. The coolant holes through the head deck were redesigned to work with all LS head gasket and engine block combinations. Stock LS3 ports accommodate LS3-style intake manifolds and LS9/LSA blower assemblies. GenX 255 heads are available with standard and 6-bolt per cylinder mounting patterns.

Trick Flow GenX 255 cylinder heads are emissions-legal under CARB E.O. #D-747 for 2007-present GM vehicles with 6.2L engines. They are available fully assembled or as bare castings. Sold individually.

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Instructions & Calculators

Instruction Sheets for Part Number TFS-3261B003-C01

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