Wehrs Machine Carburetor Bore Reduction Insert - 2" Tall - 1.450" Diameter 20-OTL-NR-LXL Measure installed valve spring height

Measure installed valve spring height conveniently and accurately

leaving sharp edges and enormous "stress risers" that promote failure

Stock Car type is 16" x 27" trapezoid with 1" webbing

1-5/8" mandrel bent primary tubes and 2-1/2" collectors with merge spears for increased exhaust velocity

Wehrs Machine Carburetor Bore Reduction Insert - 2" Tall - 1.450" Diameter 20-OTL-NR-LXL Measure installed valve spring heightOur new Jimmy Mars designed traction tuning carb spacer system allows you to have the maximum power and also the option to reduce power by changing the insert when the track gets slick. 2'' tall bore size 1. 450. Wehrs produces custom machined chassis and engine components designed for racing use. Their lineup includes everything from mounting brackets to cover panels, birdcage assemblies, and much more. Many of their parts are made from lightweight