Holley Alcohol Jets (2) - 150 Harmonic Balancer Bolt When a high pressure fuel

When a high pressure fuel pump is run with a steel roller cam core

1963-1975 Oldsmobile 98

1963-1966 American Motors Classic

2005-2009 Chevrolet Cobalt

Holley Alcohol Jets (2) - 150 Harmonic Balancer Bolt When a high pressure fuelSet of two alcohol jets. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine