SKU: 1525

Lightweight aluminum performance riser fits the CHV-1-92 or CHVA-1-92 aluminum sbc of bbc manifolds, or the cast iron manifolds CHV-1-83, CHVA-1-83, or FM-1-83 for Ford and Chev big and small block. Call toll free 1-877-253-7882 about replacing your present cast iron system with aluminum for much better performance and fuel economy!