Willy's Adjustable Restrictor Plate - 1" Tall 10218 chromoly u-joints for improved header

chromoly u-joints for improved header clearance

1966-1969 Plymouth Belvedere

Ford F-350 Super Duty: 2005-2016

1-3/4 in Bores

Willy's Adjustable Restrictor Plate - 1" Tall 10218 chromoly u-joints for improved header1" tall, adjustable restrictor shutter type plate allows the racer to customize torque and horsepower curves to specific track conditions. Adjustable from 1. 750" to 1. 000" with modifications for on track use possible. Established in 1985, Willy's Carburetor manufactures high performance carburetors for racing engines. Willys Carb and Dyno Shop produces custom 4 and 2 barrel carburetors for circle track and drag racing applications. They offer carbs