Standard bore LCB (1-3/4"id) that is ideal for very hot 'mini' engines, for standard to high performance 1275s, and for street 1380s.
For injection cars.
Use with "cat back" exhaust systems; i.e., the cat is retained.
The best quality production manifold is made by Maniflow. The Long Center Branch design has been proven to be the best all-around for our 5 port cylinder heads. Bore diameter being the only other variable. For the same maifold in stainless steel, see C-AHT369S. For BIG bore LCB see C-AHT289.