Holley Metering Block Gasket - For Model 4150 4122SMLBU Recommended by leading camshaft manufacturers

Recommended by leading camshaft manufacturers

adjustable from 3-20 PSI

1984-1995 Buick Century

and adding cornering consistency to your 2016-newer Chevrolet Camaro is easy with on-car adjustable Toe Rods from BMR Suspension

or replacing existing cracked

Holley Metering Block Gasket - For Model 4150 4122SMLBU Recommended by leading camshaft manufacturersHolley 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