Holley Secondary Metering Block - Chromate - Holley 4160 Carburetors 34-6 Exhaust System Deals Lightweight cranks are knife-edged and

Lightweight cranks are knife-edged and profiled for weight reduction

Depth - Double Groove - Long Style - Chrome Plated Steel

Available in link and latch aircraft style or cam lock quick release buckles

Pull-Down adjustment

Simply dial in the timing and tighten the cam bolts

Holley Secondary Metering Block - Chromate - Holley 4160 Carburetors 34-6 Exhaust System Deals Lightweight cranks are knife-edged andHolley Metering Block 34 6 Standard Finish (0 1850C S) Or Most Any Model 4160 w Side 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 as