Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black RG30003M These limits are adjustable with

These limits are adjustable with MSDs plug-in modules

No RPM Or Retard Modules Are Supplied

2008 - 2017 Audi S5

AC Fittings

Round Tube

Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black RG30003M These limits are adjustable withAdapters & Spacers Phenolic Insulators Spacers 1 2" height, 4150 flange, 1 9 16" bores 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