CNC-Ported LS3 Cylinder Heads – 364/823 Flow Profile with .650″ Springs & 2.16″/1.59″ Valves (Pair)

Description

Part#: ALL-65269PCPC

Manufacturer: Chevrolet

Year Range: 07-17

Engine Size: 6.2L – V8

Description: CNC Ported LS3 364/823 PAIR

Intake – 240CC

Exhaust – 100CC

Combustion Chamber – 78CC

2.16 & 1.59 21-4N Stainless Valves

.650 max lift dual springs

Upgrade your engine performance with our CNC Ported LS3 364/823 Cylinder Heads. Designed to exceed OEM specifications, these heads are meticulously crafted by Chevrolet for the 6.2L V8 engines from 2007 to 2017. Featuring .650 springs and 2.16/1.59 valves, these heads ensure optimal airflow and combustion for enhanced power and torque.

Experience the benefits of LS3 ported heads, 823 heads, and CNC ported LS3 heads all in one with our precision-engineered product. Whether you’re aiming for improved horsepower, torque, or overall engine efficiency, our CNC LS3 heads deliver exceptional performance.

For more options, explore our Chevrolet Cylinder Heads collection to find the perfect fit for your vehicle. Have questions about our cylinder heads? Contact our expert support team for personalized assistance. We’re dedicated to helping you optimize your engine’s potential.
If you need help or have any questions, our expert support team is just a message away! Use our contact form, call us at 866-766-9955, or send an email to sales@alliedmotorparts.com. We’re eager to assist you in every way possible. For information on cylinder heads, be sure to check out our blog section.

Learn more about Chevrolet Cylinder Heads.

This Cylinder Head has a core charge of $250.00 included in the cost. This charge is FULLY REFUNDED upon return. We will include a prepaid label for the return freight.

These CNC ported heads come with all New Stainless Steel Swirl Polished 2.16 and 1.59 Valves. New Springs for up to .650 lift. New retainers, spring seats and valve seals.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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