Holley Metering Block Gasket - For Model 4150 4122SMLBU as well as in many

as well as in many non-automotive applications

Recommended by leading camshaft manufacturers

Slide rule device quickly measures and duplicates suspension or steering tube distances with 1/2"

These cylinder heads do not require offset rockers of any kind

Holley Metering Block Gasket - For Model 4150 4122SMLBU as well as in manyHolley 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