Fits 2001-2017 Chevrolet Silverado 2500 HD Ls Valve Cover Adapter Plates 241-297 Left-Front-Brake 2 L L6 1980 -

2 L L6 1980 - 1981 Jeep J10 360/5

6L V8 1968 GMC K25/K2500 Suburban 396/6

13/8 V 1987 Chevrolet R10 Suburban 3

20100-ZN50A

8L/H4 1984 Subaru DL 1

Fits 2001-2017 Chevrolet Silverado 2500 HD Ls Valve Cover Adapter Plates 241-297 Left-Front-Brake 2 L L6 1980 -Small Block Chevy to LS Black Finish Holley's new cast aluminum LS valve cover adapter plates offer an innovative way to add the vintage styling cues of a 1958 1986 Small Block Chevy perimeter bolt valve cover to your modern GM LS engine. NOTES: Part # 241 362 is required to fill crankcase with oil when using these valve covers. Features: Constructed of Cast Aluminum Available in three finishes (Natural Cast, Black Painted, and Polished Finish)