Holley EFI Solenoid Driver High Current Peak and Hold Module - 2 Channel - Holley EFI EFI HSCHD11SASM61 To keep your engine running

To keep your engine running clean

Forged Crank

700 in ID single inner valve spring

compression ratio increase is approximately 3/10 of a percent with each 1/8 stroke

Holley EFI Solenoid Driver High Current Peak and Hold Module - 2 Channel - Holley EFI EFI HSCHD11SASM61 To keep your engine running2 Channel Water Methanol High Current Peak and Hold Module Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013 2014 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Cup Series team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who