LS/LT Acc. Drive Bracket A/C P/S & Alt Brackets works w/R4 compressor 20-131BK marine-flame-arrestor Experience has proven that this

Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port

The tailpipes are finished off with a pair of highly polished 3

A 175 GPH 10 Micron filter and a regulator preset at 59

Applications:  2001-2003 Chevrolet Silverado 1500 HD

9L V8 1960 - 1961 Plymouth Custom 361/5

LS/LT Acc. Drive Bracket A/C P/S & Alt Brackets works w/R4 compressor 20-131BK marine-flame-arrestor Experience has proven that thisOverview: NOTE: This bracket REQUIRES an installation kit for assembly (Part 21 1, 21 2, OR 21 3, see Fitment Guide below for the correct installation kit for your application). Holley is pleased to offer simple, clean, cost effective solutions that solve the accessory drive challenges encountered when swapping a GM LS engine into a muscle car, truck, hot rod or other vehicle. These brackets were designed to deliver a factory style appearance, correct