Holley Main Jets (2) - 71 HSCHD11 Includes spring seats and adjuster

Includes spring seats and adjuster nuts

including oil filter mounts

These spacers are designed to be used with

Available in two different height configurations and a wide range of flow rates

All necessary hardware is included for an easy

Holley Main Jets (2) - 71 HSCHD11 Includes spring seats and adjusterSet 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