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Patriot Performance GM LQ9 Stage III Cylinder Heads 2019

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Cylinder Heads, Stage III, Aluminum, Assembled, 72cc Chamber, 225cc Intake Runner, Chevy, 5.7L, LQ9, Pair

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Patriot Performance GM LQ9 Stage III Cylinder Heads

Part Type: Cylinder Heads

Brand: Patriot Performance

Manufacturer's Part Number: 2019

Part Type: Cylinder Heads

Product Line: Patriot Performance GM LQ9 Stage III Cylinder Heads

Summit Racing Part Number: PAR-2019

Cylinder Head Style: Assembled

Cylinder Head Material: Aluminum

Cylinder Head Finish: Natural

Combustion Chamber Volume (cc): 72

CNC-Machined Combustion Chamber: Yes

Intake Runner Volume (cc): 225cc

Exhaust Runner Volume (cc): 83cc

CNC-Machined Intake Runner: Yes

CNC-Machined Exhaust Runner: Yes

Intake Port Location: Standard

Exhaust Port Location: Standard

Spark Plug Style: Straight

Intake Valves Included: Yes

Intake Valve Diameter (in): 2.080 in.

Exhaust Valves Included: Yes

Exhaust Valve Diameter (in): 1.600 in.

Valve Springs Included: Yes

Maximum Valve Lift (in): 0.650 in.

Outside Diameter of Outer Spring (in): 1.460 in.

Damper Spring Included: No

Number of Springs Per Valve: Dual

Retainers Included: Yes

Retainer Material: Titanium

Locks Included: Yes

Lock Style: 10 degree

Valve Stem Seals Included: Yes

Valve Stem Seal Style: Positive stop

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

Valve Guides Included: Yes

Valve Guide Material: Manganese bronze intake/Phosphorous bronze exhaust

Valve Seats Machined: Yes

Valve Seat Machine Style: 5-angle

Valve Seat Material: Steel

Steam Holes Drilled: No

Oiling Style: Through pushrod

Machined for O-Ring: No

Heat Crossover: No

Quantity: Sold as a pair.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

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These GM LQ9 Stage III cylinder heads from Patriot Performance are designed for maximum output engine applications, adding a 50+ rear wheel horsepower gain to your engine. These heads feature a 72cc combustion chamber, magnesium bronze intake guides, phosphorus bronze exhaust guides, and 5-angle machine-hardened seats. These heads are great for big cubic inch engines, and blower or nitrous applications.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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