Mast Motorsports

Mast Black Label GM LS 245cc/70cc 11° CNC Cylinder Heads Pair Cathedral Port w/Valves - CH-LSX-600204

PART NUMBER:

CH-LSX-600204

UPC:

MPN:

CH-LSX-600204

Availability:

Ships from Manufacturer

Shipping:

Free Over $98 In U.S. 48

Type:

Cathedral Port Cylinder Heads

Material:

A356-T6 Aluminum

CNC Machined Intake Runner:

Yes

CNC Machined Exhaust Runner:

Yes

CNC Machined Combustion Chamber:

Yes

Minimum Bore Size (in.):

4.000

Bolts Per Cylinder:

6

Assembled:

No

Valve Angle (°):

11

Intake Runner Volume (cc):

245

Exhaust Runner Volume (cc):

106

Chamber Volume (cc):

70

Intake Valve (in.):

2.165

Intake Material:

Stainless Steel

Exhaust Valve (in.):

1.600

Exhaust Material:

Stainless Steel

Valve Guides Included:

Yes

Valve Guides Material:

Bronze

Intake Seat Material:

Ductile Iron

Exhaust Seat Material:

Ductile Iron

Valve Job:

5-Angle

Rocker Stands Included:

Yes

Rocker Stand Material:

Mast Billet

Valve Springs Included:

No

Valve Spring Type:

N/A

Valve Spring Max Lift (in.):

N/A

Closed Spring Pressure:

N/A

Open Spring Pressure:

N/A

Retainers Included:

No

Spring Retainer Material:

N/A

Quantity:

Sold as a Pair