LS9 CNC-Ported Cylinder Head Assembly w/ LS3 Valves

Description

Precision Airflow. Proven Performance. Built for LS Power.

Unlock the true performance potential of your LS platform with the LS9 CNC-Ported Cylinder Head Assembly featuring LS3 valves. Engineered for high-horsepower street and track builds, these heads deliver exceptional airflow, combustion efficiency, and durability, making them a perfect upgrade for enthusiasts looking to push their LS engines to the next level.

Whether you’re building a supercharged street beast or a naturally aspirated high-revver, these LS9 heads are a bolt-on performance solution trusted by racers and engine builders nationwide.

Product Details:

• Product Type: CNC-Ported Cylinder Head Assembly

• Model: LS9 w/ LS3 Valves

• Material: High-strength aluminum

• Valves: LS3 Stainless Steel (Intake & Exhaust)

• Valve Sizes: 2.165″ intake / 1.590″ exhaust (standard LS3 configuration)

• Combustion Chamber Volume: 70cc (nominal)

• Condition: Brand New

• Finish: Machined / Bare Aluminum

• Shipping: Fast Nationwide Delivery 🇺🇸

Key Features:

• ✅ CNC-Ported for Maximum Airflow – Increases horsepower and torque across the RPM range

• ✅ LS3 Valve Upgrade – Stainless steel valves for superior heat resistance and flow

• ✅ Race-Proven LS9 Casting – Exceptional strength for boosted or high-compression applications

• ✅ Bolt-On Performance – Direct fitment for LS3/LS9 style engines

• ✅ Perfect for High-HP Builds – Ideal for supercharged, turbocharged, or high-RPM N/A setups

Compatibility:

• Fits GM LS9, LSA, and LS3 cylinder head bolt patterns

• Ideal for:

  • LS9 Supercharged Engines

  • LS3 N/A or Boosted Builds

  • LSA Performance Applications

• Compatible with most OEM and aftermarket intake manifolds and valvetrain components (check pushrod length and piston clearance before installation)

🛡️ Warranty Information:

• 1-Year Limited Warranty against manufacturer defects in materials and workmanship

• Must be installed by a qualified technician for warranty eligibility

• Excludes damage from improper installation, detonation, or racing abuse