CTS-V L92 Heads/Custom Cam

Fastlane custom ground cam with double valve springs and L92 CNC ported and polished heads well net you an additional 70 RWHP on your LSA.
CNC L92 Head Flow Data (4.065 bore):
Lift 0.200 0.300 0.400 0.500 0.600
Intake 150 222 260 298 332
Exhaust 105 140 168 190 201 

 

Labor Time: 10 Hours