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Chevrolet Performance LS3 Cylinder Heads 12629063

Chevrolet Performance 12629063 - Chevrolet Performance LS3 Cylinder Heads

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$599.97

Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each

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Manufacturer's Part Number: 12629063
Part Type: Cylinder Heads
Summit Racing Part Number: NAL-12629063

Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 68.4
CNC-Machined Combustion Chamber: No
Intake Runner Volume (cc): 260cc
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Shape: Rectangular
Intake Port Location: Standard
Exhaust Port Shape: D-port
Exhaust Port Location: Standard
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.165 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.590 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.570 in.
Outside Diameter of Outer Spring (in): 1.290 in.
Damper Spring Included: No
Number of Springs Per Valve: Single
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
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
Intake Valve Angle: 15
Exhaust Valve Angle: 15
Valve Guides Included: Yes
Valve Guide Material: Powdered metal
Valve Seats Machined: Yes
Valve Seat Material: Steel
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually.
Notes: Fits any LS family engine with 4 in. bore or larger.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Fit any LS engine with Chevrolet Performance LS3 cylinder heads. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks. Great cylinder head airflow has always supplied the LS Series with exceptional performance. Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3 cylinder heads.

Warranty

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

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