Chevrolet Performance 19356323 - Chevy Mechanical Roller Lifter, ZZ572/720

Mechanical Roller Lifter – ZZ572/720R • Mechanical roller valve lifters used on the ZZ572/720R engines • Use with camshaft P/N 19210722, intake pushrod P/N 88962284, exhaust pushrod P/N 88962283 and rocker arm P/N 19210726 • Pair of 2 lifters. You would need QTY 8 for a complete set for a V8 engine