Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black RG30003M When only the best will

When only the best will do

No RPM Or Retard Modules Are Supplied

2008 - 2017 Audi S5

These limits are adjustable with MSDs plug-in modules

Holley Carburetor Spacer - 0.5 in Thick - 4 Hole - Square Bore - Phenolic - Black RG30003M When only the best willAdapters & 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