Holley Main Jets (2) - 48 AN Wrench Spring Rubbers are used to

Spring Rubbers are used to add progressive rate to your linear race spring

All assemblies come complete with AED's special reusable needle and seat gaskets

Infinity G37 2008-13

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Holley Main Jets (2) - 48 AN Wrench Spring Rubbers are used toSet of two carburetor main jets. 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 include performance fuel pumps, intake manifolds and