Genuine GM Parts 10168501 - Camshaft Retainer

Second design with 3.294 in. bolt pattern. Fits most 1991-2000 Small Block Chevy Engines, including LT1, LT4, Vortec and Chevrolet Performance ZZ3 and ZZ4 engines as well as Gen VI Big Block 454 and 502 engines using factory style roller camshafts.