Holley Secondary Metering Block - Chromate - Holley 4160 Carburetors 34-13 Valley Dust Cover Pocket Logger

Pocket Logger

The modern high-tech look will give any engine an aggressive look to match its performance

5 inch diameter assembly that utilizes a billet aluminum pressure ring with a riveted steel heat shield that provides a durable mating surface for the clutch disc

6-Bolt Head

Zinc-plated Hardened Chromoly Steel Stick Adapter

Holley Secondary Metering Block - Chromate - Holley 4160 Carburetors 34-13 Valley Dust Cover Pocket LoggerHolley Metering Block 34 13 Standard Finish (0 3310C S) Or Most Any Model 4160 w Center Hung Float Bowl Metering Block 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