Earl's Performance Earl's GM LS PCV Fitting -10 AN Male LS0039ERL 1977-cadillac-eldorado-esi2792980 What size is this tapered

What size is this tapered spacer

It has a black anodized finish

Filter element has rubber seals top and bottom and wire screen or mesh inside and out to protect against damage

Description_INV Leed Brakes Power Brake Booster Description_MKT Compact-10 Series 7" Dual Diaphragm chrome plated power brake booster

2016 GMC Sierra 1500 (2WD/4WD) — 4

Earl's Performance Earl's GM LS PCV Fitting -10 AN Male LS0039ERL 1977-cadillac-eldorado-esi2792980 What size is this taperedThese special fittings allow easy installation of a catch tank on GM LS racing engines that have a PCV (positive crankcase ventilation) fitting on the OE valve cover. This fitting has a 3 4" outside diameter that fits into the OE grommet instead of the stock PCV fitting. Choose from fittings with 8 AN or 10 AN male flare. Ideal for use in racing applications that require the use of a catch tank. Earl's Performance Earl's GM LS PCV Fitting 10 AN Male