Chevrolet Performance 12675872 LSA Aluminum Cylinder Head Assembly Features:

• Intake Port Shape: Rectangular
• Exhaust Port: D-Port/Standard
• Combustion Chamber Volume: 68 cc
• Intake Valve Diameter: 2.165 in.
• Exhaust Valve Diameter: 1.590 in.
• Valve Springs: Hydraulic Roller Cam
• Valve Guide Material: Molybdenum Steel
• Valve Seat Material: Powdered Metal
• Spark Plug Style: Angle
• Valve Cover Mounting Style: Centerbolt

FAQ

What material is the LSA head made of?

• The Chevrolet Performance 12675872 LSA head is typically made of aluminum.
• Aluminum construction ensures lightweight and efficient heat dissipation.

Are LS3 and LSA heads the same?

• No, LS3 and LSA heads have differences in design and performance.
• LSA heads are designed for supercharged applications, unlike LS3 heads.

What do performance cylinder heads do?

• Performance cylinder heads like the 12675872 improve airflow and combustion.
• Enhance power output and efficiency in the engine.

Will new cylinder heads increase horsepower?

• Upgrading to Chevrolet Performance LSA heads (12675872) can increase horsepower.
• Improved airflow and combustion contribute to power gains.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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