Mast Motorsports LS3 Cylinder Heads CNC Ported  510-303

Mast Motorsports LS3 Cylinder Heads CNC Ported 510-303 Each

Regular Price: $2,145.00
On Sale For: $1,900.00
 

We Cannot Ship Any Performance Item that Effects the Vehicles Emisions to CA or Carb States that isn’t Carb Approved

Warning: This Product can expose you to chemicals including lead, chromium (hexavalent compounds) and benzene which are known to the State of California to cause cancer and birth defects, or other reproductive harm ( For More information go to www.p65warnings.ca.gov )

Mast Motorsports LS3 Cylinder Heads CNC Ported  510-303  Each

Combustion Chamber Volume (cc):69

Intake Runner Volume (cc):255cc

Exhaust Runner Volume (cc):106cc

Cylinder Head Style:Assembled

Cylinder Head Material:Aluminum

Intake Port Shape:Rectangular

Intake Valve Diameter (in.):2.165 in.

Cylinder Head Finish:Natural

CNC-Machined Combustion Chamber:Yes

CNC-Machined Intake Runner:Yes

CNC-Machined Exhaust Runner:Yes

Intake Port Location:Standard

Exhaust Port Shape:Round

Exhaust Port Location:Standard

Spark Plug Style:Straight

Intake Valves Included:Yes

Exhaust Valves Included:Yes

Exhaust Valve Diameter (in.):1.600 in.

Valve Springs Included:Yes

Maximum Valve Lift (in.):0.650 in.

Damper Spring Included:No

Number of Springs Per Valve:Single

Retainers Included:Yes

Locks Included:Yes

Valve Stem Seals Included:Yes

Rocker Arm Studs Included:No

Rocker Arms Included:No

Rocker Arm Nuts Included:No

Guideplates Included:No

Valve Cover Mounting Style:Centerbolt

Accessory Bolt Holes Drilled:Yes

Intake Valve Angle:11

Exhaust Valve Angle:11

Valve Guides Included:Yes

Valve Seats Machined:Yes

Steam Holes Drilled:No

Machined for O-Ring:No

Heat Crossover:No

Quantity:Sold individually.

Notes:LS3-style cylinder head designed for use on 4.000 in.+ bore LS engines. Accepts LS3 valvetrain and intake manifold.

Mast Motorsports LS3 cylinder heads are high-quality, high-performing cylinder heads for the LS platform. Available for select LS1, LS2, LS3, LSA, or LS6 engines, including some big bore LS engines with LS3 intakes or superchargers, these Black Label heads feature .750 in. thick decks, 6 bolts per cylinder clamping force, and they are hand-assembled. Assembled heads include premium valves, valve springs, retainers, and locks. Whether you're looking to take your engine to the next level, for the ultimate upgrade of power and performance, or to run the competition out of town, Mast LS3 cylinder heads are your best choice


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