LS1/LS6 CNC Ported 799/243 Heads .650 Springs 2.02/1.59 Valves PAIR

Part#: ALL-65056PC

Manufacturer: Chevrolet

Year Range: 97-04

Engine Size: 5.7L - 350ci - V8

Description: CNC Ported LS1/LS6 243/799 PAIR

Intake - 243CC

Exhaust - 95CC

Combustion Chamber - 66-68CC

.650 Dual Springs, New retainers, spring seats, and valve seals.

These are CNC ported heads. All work is done in house on our own 5-axis Rottler CNC,

Looking to supercharge your LS1 or LS6 engine? Our CNC-ported 243 heads and ported 799 heads are exactly what you need. Equipped with .650 Springs and 2.02/1.59 Valves, these high-performance CNC 243 heads are meticulously crafted to surpass OEM specifications, guaranteeing top-notch quality and performance.

Ideal for engines from 1997-2004, our ported LS heads (part number ALL-65056PC) are perfect for 5.7L (350ci) V8 powerplants. If you're seeking improved airflow, increased power, and overall performance enhancement, our 243 ported heads are the ultimate upgrade for your LS1 or LS6 engine.

Experience the outstanding value of our 243/799 heads for sale, engineered for superior airflow and precision. The CNC porting process ensures these heads are the best choice for any performance enthusiast looking to get the most out of their engine.

Upgrade today with our ported 243 heads and feel the power and performance boost in your LS6 engine. Discover the unrivaled quality and performance of our ported LS heads, the go-to choice for car enthusiasts around the globe.

Explore the comprehensive range of Cylinder head options available in our Chevrolet Cylinder Heads collection to ensure the perfect fit for your vehicle. Have queries? We're here to help you contact our expert support team today!

Contact our expert support team if you need help or have questions by using our contact form, calling 866-766-9955, or emailing  sales@alliedmotorparts.com. We're here to assist you throughout your journey. To get insights on cylinder heads, visit our blog.

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.

It is also important to review/confirm the fitment notes above to ensure the vehicle specifics of the head are correct for your application. If you have any questions 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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