Part#: ALL-20314PC
Manufacturer: Chevrolet
Year Range: 03-09
Engine Size: 5.3L - V8
Description: CNC Ported LM4/LM7 706/862 PAIR
Intake - 243CC
Exhaust - 95CC
Combustion chamber - 66-68CC
ALL Flow data is located in the pictures.
These are CNC-ported heads. They come with the following
New QualCast 21-4N Stainless Steel Swirl Polished Valves
Intake is 2.00 and Exhaust is 1.57
New Qualcast DUAL Springs for up to .650 lift.
New retainers, spring seats and valve seals.
Elevate your Chevrolet engine's performance with our meticulously crafted CNC Ported LM4/LM7 706/862 Cylinder Heads. Designed for the 5.3L V8 engine (03-09), these heads surpass OEM standards, offering unparalleled power and efficiency.
Featuring .650 springs and 2.00/1.57 valves, our ALL-20314PC heads are the ultimate upgrade for enthusiasts aiming for superior performance. Whether you're searching for ported 706 heads, 706 ported heads, or high-quality ported 5.3 heads, we have the perfect solution for you.
Explore our range of 862 heads for sale, expertly ported to enhance your engine's capabilities. Our dedication to 706 head porting and 862 head porting ensures that you receive heads that maximize your engine's potential.
At Allied Motor Parts, we take pride in our products and our customers' satisfaction. Our commitment to quality and performance backs our 706 ported heads and 862 heads for sale. We stand behind our products, ensuring you get the best value for your investment.
Trust Chevrolet's legendary quality and our specialized porting expertise to transform your LM4 or LM7 engine. Don't wait—experience the difference with our premium CNC Ported LM4/LM7 706/862 Cylinder Heads today!
Ready to make the leap? Contact Allied Motor Parts today for more Cylinder Heads and Chevy Cylinder Heads options and take the first step towards unlocking your Chevrolet's full potential with our premium ported 706 heads, 706 ported heads, and ported 5.3 heads. Experience the power, efficiency, and reliability that our expertly ported heads provide. Your engine deserves the best—give it the upgrade it needs with Allied Motor Parts.
If you're looking for help or have any questions, our expert support team is available through our contact form, by phone at 866-766-9955, or via email at sales@alliedmotorparts.com. We're dedicated to assisting you every step of the way. For detailed information on cylinder heads, visit our blog section.
Learn more about Chevrolet Cylinder Heads.
This Cylinder Head has a core charge of $200.00 included in the cost. This charge is FULLY REFUNDED upon return. We will include a prepaid label for the return freight.
The cylinder head included in this listing will fit the vehicles listed below. It is also important to review / confirm the fitment notes above to assure the vehicle specifics of the head are correct for your application. If you have any question that this may not be the correct head for your vehicle or need help in locating the correct head, please contact us via phone or email prior to making a purchase.
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