Valve Cover Breather Cap Push In 1"(25mm) Neck with Tube Chromed Steel + Grommet Chev SBC They're machined from 6061-T6 billet

They're machined from 6061-T6 billet aluminium and are available in a variety of diameters

Stainless Steel 3/8in

Aeroflow’s heat-flex braid is lightweight and extremely flexible

AF4000-1000

Valve Cover Breather Cap Push In 1"(25mm) Neck with Tube Chromed Steel + Grommet Chev SBC They're machined from 6061-T6 billetPart Number : 66 037 PRODUCT DESCRIPTION Push in Valve Cover Breather features an internal baffle to prevent oil splash and provide superior ventilation. Has 16mm Side Tube for Pcv hose. Designed for 1 1 4 inch breather holes, with a 1 inch outside diameter neck. Supplied with rubber grommet. If you purchase multiple items at a time and are overcharged for shipping we will refund any excess on shipping.