Chevrolet Performance LS9 ZR1 Camshaft. Duration @ .050″ 211/230 Lift .562″/.588″ 122 LSA Will work on all Gen IV engines with proper springs. Gen III engines require a Gen IV timing chain cover for cam position sensor. Additional Information Length 27 Height 3.25 Width 3.25 BTR SKU 12638427 Weight 10.3830 Manufacturer GM
