Beyea SB Chevy Tri-Y DLM 23 Degree 1-3/4 - 1-7/8 H764C34M medium and large fits the

medium and large fits the following Bell SA2010 Helmets:

loop is 9-1/2" tall and 5-1/2" wide with a 16" wide mounting strap that can be cut and welded for each installation

Twin Shoulder Belts Adjust from 25 to 72 inch

Copper Core Center Electrode

Beyea SB Chevy Tri-Y DLM 23 Degree 1-3/4 - 1-7/8 H764C34M medium and large fits theProduct Description: Headers Dirt Late Model Tri Y 1. 75 to 1. 875 in Primary 3 in Collector Steel Black Paint 23 Degree Head Small Block Chevy 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