Holley Replaceable Air Bleed Drill - Size: 0.034 Detroit Locker Install the retainer ring and

Install the retainer ring and gasket

These heads will not accept rail rocker arms

1965-1967 Chevrolet Chevy II CID 327

Exhaust Pipe Transition

Holley Replaceable Air Bleed Drill - Size: 0.034 Detroit Locker Install the retainer ring andHolley Replaceable Air Bleed 126 34 10 Drill Size 0. 034 10 Per Package 10 Per Package 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