Sierra International 18-1921 Manifold Elbow for SB GM V8 Engines (Most Models)

More about this item : Sierra International 18-1921 Manifold Elbow for SB GM V8 Engines (Most Models)

The 18-1921 Manifold Elbow by Sierra is designed for Small Block GM V8 engines (most models).

It is compatible with Sierra's 18-1902 Manifold, 18-1903 Manifold, 18-8534 Exhaust Elbow Mounting Kit, 18-8553 Hardware Kit (Exhaust Elbow Bolts), and 18-0943-2 Exhaust Elbow Gasket.

Interchangeable with Mallory 9-40610, GLM 51320, Barr OMC-20-982680, Osco 9863, OMC Inboard 909863, and OMC Stern Drive 909863.

Manufacturer recommendations should be checked to ensure a proper fit before purchasing.

Each product from Sierra meets or exceeds the original equipment part it replaces.