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LS & LT1 (Gen V) Engine Components
LS Heads
54530-05HCS Pro Action GM LS3 Rectangle Port Aluminum Cylinder Head - Assembled w/ .660" Lift Springs & Steel Retainers
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54530-05HCS Pro Action GM LS3 Rectangle Port Aluminum Cylinder Head - Assembled w/ .660" Lift Springs & Steel Retainers
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$752.95
Part Number:
4408
Availability:
In Stock
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Description
Pro Action™ GM LS3 Rectangle Port Aluminum Cylinder Head - Assembled w/ .660" Lift Springs & Steel Retainers are a premium LS3 replacement head, ensuring great power on any performance or stock engine build.
Pro Action™ GM LS3 Rectangle Port Aluminum Cylinder Heads feature:
Same architecture as factory head - all stock components will fit without issue
Factory correct intake manifold alignment slots avoid power robbing misalignment
Manufactured with premium materials and machined to industry's tightest tolerances
Premium bronze/manganese valve guides for long wear with particular emphasis placed on holding precision tolerances on valve seat concentricity, allowing valve to seal securely for more power
Clean Cast Technology eliminates casting laws and promotes a smoother internal surface finish for greater air and coolant flow
Dual seat spark plug pocket design allows both factory style tapered seat spark plugs and flat seat style plugs in wider heat ranges
.660" Lift springs allow for higher lift cams and increased RPM
Designed for any LS3-style street performance application
“WARNING:
This product contains a chemical known to the State of California to cause cancer and/or birth defects
or other reproductive harm. –
www.P65Warnings.ca.gov”
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