Mast: LS3 LSA 255cc 4.000" Cylinder Heads [Camaro Corvette CTS V, LS3 LSA]

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Vendor: Mast Motorsports

SKU:

$3,581.00 $3,778.00

A head that truly has no competition. The Mast LSA 255cc head was designed for customers with medium bore LS engines that wanted to run LS3 intakes or LS3/LSA superchargers....

Intake Valves

2.165" Solid SS - Hyd Roller

2.165" Hollow SS - Hyd Roller

2.165" Solid Ti - Hyd Roller

2.165" Solid Ti - Solid Roller

Exhaust Valves

1.600" Solid SS - Hyd Roller

1.600" Solid Inconel - Hyd Roller

1.600" Solid Ti - Hyd Roller

1.600" Solid Inconel - Solid Roller

1.600" Solid Ti - Solid Roller

WEAPON-X +10% Port

Yes

Quantity

Subtotal:

A head that truly has no competition. The Mast LSA 255cc head was designed for customers with medium bore LS engines that wanted to run LS3 intakes or LS3/LSA superchargers. This head is very capable when paired with the proper intake and displacement and has supported over 800hp on pump gas with a Whipple 2.9L consistently.

Heads come standard with PAC 1207X Double Springs for boosted applications; however, if you want the N/A PAC 1204X Beehive Springs, specify in the order notes. Listing also includes the GM rocker arm mounts.

The ultimate upgrade for your LS3 or LSA engine is here. Mast Motorsports LS3/LSA 255 Black Label heads are at the forefront of power and performance. Designed from a clean sheet this head supports 600+ horsepower on stock bottom end LS3 engines with supporting modifications. If you are looking to upgrade your LS3 or LSA with the best aftermarket LS head on the market, look no further.