Description
**Cylinder head assembly and port work done by Brian Tooley Racing
Chevrolet Performance LS3 CNC’d Cylinder Heads 88958758 with BTR Spring Kit
- CNC-ported Version of the LS3 Cylinder Head
- Flows About 10-Percent More Than The Production Head – More Than 350 cfm (intake side) at .600″ Lift
- 276cc Intake Runners and 92cc Exhaust Ports
- 68.5cc Chambers
- Fits All LS Engines with 4.000″ Bore or Larger
- 2.165″ Hollow Stem Intake, and 1.590″ Solid Stem Exhaust Valves
- D-Shaped Exhaust Ports
Price Is For 2 Cylinder Heads
Cylinder Heads Come Assembeled with a BTR .660″ Lift Platinum Spring Kit with Titanium Retainers
Cylinder Head Service Options Include:
- Blending of Valve Job
and/or
- Softening of Chambers
PLEASE ALLOW 2 TO 3 WEEKS FOR CYLINDER HEAD WORK TO BE COMPLETED
