Chevy Gen3 LS1/LS6 Finned Valve Covers 6 The valve covers fit the center bolt heads used on 3rd Gen Chevrolet small block engines. Production of these heads began in 1999. Versions of these heads are found on Corvette, Silverado/Sierra, Tahoe/Yukon, Camaro/Firebird, and GTO's. Early Gen III engines in 1997 and 1998 have 9 bolts on the perimeter of each cover. These valve covers work with the center bolt configuration. Part Number: 10413 Price: $313.00 $275.95
