Manifold Spacer, GM/Ford V8

Manifold Spacer, 3”. Ford small block V8 302-351 cu. inch. GM Big Block V8 454 cu. inch. GM Small Block 305-350 cu. Inch. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Ford small block V8 302-351 cu.in. GM Big Block V8 454 cu.in. GM Small Block 305-350 cu.in Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty