Click on image to zoom

12576063 - LS2 Cylinder Head Assembly

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Availability: Item has been discontinued and is no longer available


12576063 - LS2 Cylinder Head Assembly Features:

  • 2.00" solid stem intake, and 1.55" solid stem exhaust valves
  • .570" max valve lift
  • 210cc cathedral-port intake ports
  • 70cc D-shaped exhaust ports
  • 65cc combustion chambers
  • Bare head P/N 12615363 available separately
  • Upgrade the valves to LS6 hollow stem valves with P/N 17801930

Assembled with the following components:

  • 12563063 Intake Valves
  • 10166344 Valve Spring Retainers
  • 12563064 Exhaust Valves
  • 12482063 Intake Valve Stem Seals
  • 12586484 Valve Springs
  • 12482062 Exhaust Valve Stem Seals
  • 10166345 Valve Locks

Application List



  • 12576063
  • 12576063
  • Chevrolet Performance Parts
  • Item has been discontinued and is no longer available
  • New


Shipping Information

  • Item Requires Shipping
  • 25.0 lbs.
  • W9.5000” x H7.7500” x L24.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

Trusted Specialists GM engine & parts specialists
Located in the USA Owned, operated, & employed
Need Assistance? Call us at 888-748-4655
Mon-Thu 8am-6pm EST
Fri 8am-5:30pm EST
Have a Question Email us and we'll get back to you within 24 hours
Pace B2B