Beyea UMP Modified Tri-Y Headers - 1-3/4 to 1-7/8 in Primary - 3 in Collector - Black - Small Block Chevy (Pair) Rocker Cover Fastener has the unfortunate downside of

has the unfortunate downside of delayed throttle response and subdued acceleration

Ford Truck 1953-56

1979-1980 Chevrolet P10

All belt mounting ends are wrap-around and anchor hardware (bolt-in

Shoulders Adjust from 25" to 72"

Beyea UMP Modified Tri-Y Headers - 1-3/4 to 1-7/8 in Primary - 3 in Collector - Black - Small Block Chevy (Pair) Rocker Cover Fastener has the unfortunate downside ofProduct Description: Headers UMP Modified Tri Y 1. 75 to 1. 875 in Primary 3. 5 in Collector Steel Black Paint Small Block Chevy Pair With more than 15 years in the header fabrication business, Beyea Custom Headers knows how to customize your power curve to create a broader range of power. Each Beyea Custom Headers has been tried and tested. Beyea Custom Headers are used by many of the top Modified and Late Model race teams and engine builders across