International Manifolds Model Click Yellow Button To Add To Cart F-12, F14 Replaces OEM # 3196D, 3197D $268.99 F-12, F14 Manifold gasket for above manifold $9.99 F-20 Replaces OEM # HF122L $291.99 F-20 Manifold gasket for above manifold $16.99 F-30, W30 Replaces OEM # 5167D, 5168D $279.99 A, B, C, Super A, Super C, 100 Replaces OEM # 251175R21 $143.99 A, B, C, Super A, Super C, 100 Manifold gasket for above manifold $8.99 H, W4, Super H, Super 4, 300, 350 with pipe and gasket, Replaces OEM # 8033DC, 362536R21 $170.99 H, W4, Super H, Super 4, 300, 350 Manifold gasket for above manifold $9.99 M, Super M, W6, 400, 450 Gas with pipe and gasket, Replaces OEM # 8035D, 358308R11 $198.99 M, Super M, W6, 400, 450 Manifold gasket for above manifold $9.99 W9 Replaces OEM # 8321DX $225.99 504, 2504, 3514 Vert or Hortiz., Replaces OEM # 377179R11 $174.99 560, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, Hydro 70 or 86 with C263, C291, C301,460, 606 with C221. 1/4" to 3/8" cut-out on hood. Exhaust only Replaces OEM #384290R11 $205.99 560, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, Hydro 70 or 86 with C263, C291, C301,460, 606 with C221. 1/4" to 3/8" cut-out on hood. Exhaust only Manifold gasket for above manifold $22.99 454, 464, 574, 674, 2400A, 2400B, 2405B, 2410B, 2412B, 2500A, 2500B, 2505B, 2510B, 2514B, 3400A, 3500A, 4500 with C157, C175, C200 Gas. Vertical only. Pipe not included. Takes 2 3/4" pipe. Replaces OEM # 406046R1 $214.99 454, 464, 574, 674, 2400A, 2400B, 2450B, 2410B, 2412B, 2500A, 2500B, 2505B, 2510B, 2514B, 3400A, 3500A, 4500 with C157, C175, C200 Gas. Vertical only. Pipe not included. Takes 2 3/4" pipe. Manifold gasket for above manifold $20.99 1066, 1466, 1566, 4166, 4186, 4366, 4386 Exhaust Elbow Replaces OEM # 675316C2 $117.99 1026, 1256, 1456 & Ind.. Exhaust elbow Replaces OEM # 670034C1 $122.99 1256, 21256, 1456, 21456 and some 1026 Hydros. Diesel Exhaust Manifold center section Replaces OEM # 670813C91 $139.99