PETERSON BILLET CAP AND NECK Save Liquid error (product-badge line 32): -Infinity% $58.00 SCREW ON / SMALL - $58.00 SCREW ON Option 1 SMALL Option 2 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Peterson screw on Billet Cap and Neck (1.75" OD) Small.