Arlen Ness MIRROR CRVS CAT LF BLK HG 4057 18mm O2 bungs with 12mm

18mm O2 bungs with 12mm adapters

For National Cycle Ranger

1/4" female insulated

the fuel circuits on current vehicles can be modified both richer and leaner than stock as much as +250% to -100% in any particular area of the power spread

STD drive ratio

Arlen Ness MIRROR CRVS CAT LF BLK HG 4057 18mm O2 bungs with 12mmArlen Ness MIRROR CRVS CAT LF BLK HG Cats Eye Forged Billet Mirror Constructed with forged billet aluminum Hidden triangulated spring plate is mounted behind the convex glass that will not vibrate or loosen A stainless steel pivot is pressed into each mirror stem Glass dimensions measure 4 1 2" W x 2 1 2" H Sold each When ordering hanger stem for under mount applications, order the opposite right or left side fitment.