New 2007-2009 Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Chevrolet Avalanche + 3 more GM FSCM / FPCM FSCM FPCM | Service Number 20850923 Hollander_590-00320 Stock LT1 engines typically yield

Stock LT1 engines typically yield 15 to 20hp

When you receive the computer back

1994-1995 Caprice OEM Knock Module

or module setup with a capable scan tool

0L 2010-2013 Chevrolet Corvette 6

New 2007-2009 Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Chevrolet Avalanche + 3 more GM FSCM / FPCM FSCM FPCM | Service Number 20850923 Hollander_590-00320 Stock LT1 engines typically yieldNew GM FSCM FPCM VIN Programmed Ready to Install Condition: New unit. This new GM fuel pump control module is prepared for VIN based programming and application review. The application guide below lists compatible GM vehicles and related service module numbers in a normalized year, make, and model format. GM service numbers and module labels may cross reference multiple vehicle applications. We keep the service module number coverage visible, then