Sierra 18-1949 Manifold Spacer
Sierra 18-1949 Manifold Spacer, Sierra 18-1949 Manifold SpacerSierra high-quality engine parts are designed to meet OEM specifications. Size: 3" For Ford small block V8 302-351 cu. in.; For GM Big Block V8 454 cu. in.; For GM Small Block 305-350 cu. in.; Use With: 18-1898 Manifold; 18-1997-1 Manifold; 18-1998-1 Manifold; 18-4258 Pipe Plug; Interchangeable with: Barr; CM 20-0097; GLM; 56030; Mallory; 9-40130; Osco; 994-S3;