Redhorse Performance 950 Series 8 AN Female to 6 AN Male Reducer Fitting - Blue IA0-1864-A01-171-60 Studs and bolts come either

Studs and bolts come either black oxide chrome moly or Stainless 300

Sparco Base Honda Civic 96-00 Lft

3-3/4 in OD

Choke Plate Shaft(4150 and 4160)

Redhorse Performance 950 Series 8 AN Female to 6 AN Male Reducer Fitting - Blue IA0-1864-A01-171-60 Studs and bolts come eitherProduct Description: Fitting Adapter 950 Series 8 AN Female to 6 AN Male Aluminum Blue Anodized Sold Individually Since 2008, Redhorse Performance has been recognized for their premium quality hose ends and fittings. Beginning with their hand polished fittings and expanding to more than 2800 parts, Redhorse offers a full line of performance automotive plumbing and accessories, all engineered and built to provide unrivaled beauty and performance.