Holley Main Jets (2) - 66 2020005 Commonly used on Dirt Late

Commonly used on Dirt Late Models

and is suited to customers looking for efficiency improvements with a noticeable but subtle sound level

pushrod diameter: 3/8 (width of slot in guide plate)

This driveshaft is made from 2-1/2” O

LS to GM F-Body 1975-81

Holley Main Jets (2) - 66 2020005 Commonly used on Dirt LateSet 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