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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
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.

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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