GM Performance – NEW OEM LS3 Cylinder Head (12675871)
$803.22
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Brand New OEM LS3 Cylinder Head Assembly
• Aluminum performance head
• Fits any LS family engine with 4.000″ bore or larger
• 2.165″ hollow stem intake, and 1.590″ solid stem exhaust valves
• .550″ max valve lift
• As-cast L92 style intake ports
• D-shaped exhaust ports
• As-cast combustion chambers
Ships from manufacturer
Frequently Purchased Together
LS3 / L92 / L99 / LSA
Cylinder Heads
From: $1,095.00
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Brian Tooley Racing – .660″ Lift Platinum Valve Spring Kit for LSx Engines (SK001)
From: $229.00
Reviews (3)
Questions & Answers (5)
Customer questions & answers
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I have a 6.0 ls but I’m getting ready to installed a LSA supercharger on it soon but I was in the market for some Ls3 aluminum heads to match that LSA. And I’m looking for a ls3 cam .so what do recommend
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Q I have a 6.0 ls but I’m getting ready to installed a LSA supercharger on it soon but I was in the...... Read more answer nowAsked by on February 17, 2024 4:33 pmA Email us at support@gwatneyperformance.com so we can better assist you
This is the exact same as a LSA head right? From what I can see all the numbers match.
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Q This is the exact same as a LSA head right? From what I can see all the numbers match. answer nowAsked by on August 28, 2023 3:48 pmA I believe so
Is this for 4 bolt? Or 6?
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A 4 bolt
Is this the 0821 head?
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A Yes
Is this the price for one cylinder head? or the pair?
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Q Is this the price for one cylinder head? or the pair? answer nowAsked by on November 22, 2021 5:57 amA One head
Everything Looks good and fast delivery
Exactly as described. Perfect condition. Ready to install.
Oem heads