The Dakota manifold is the largest one they make (DRIVER'S SIDE). It has a 2 1/8" exhaust hole but I can machine it out to 2 1/4" (like the 340) for $30 more. Or you can buy it they way it is (blasted and painted) for $40 plus shipping.
The 340/360 manifolds are sold in pairs. A 340 driver's side with a machined 360 magnum (2 1/4" outlet) passenger's side for $290 plus shipping. These 340/360 pairs work great on small block A-BODIES with P/S, P/B and A/C. You can see more of these 340/360 manifolds HERE:
