Holley Metering Block Gasket - For Model 4150 4122SMLBU 5/64 in Screen Spacing

5/64 in Screen Spacing

Various GM 2004-23

or replacing existing cracked

Recommended by leading camshaft manufacturers

Holley Metering Block Gasket - For Model 4150 4122SMLBU 5/64 in Screen SpacingHolley Metering Block Gasket 108 100 For Model 4150 3 Circuit 2 Per Package 100 Bulk Available 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