a illustrates a plunger pump fluid section 10 made using a housing 12 and having suction valve bore 3 discharge bore 5 access bore 9 suction valve 13 seat 15 discharge valve 17 seat 19 plunger 11 present in a plunger bore 7 inner volume 2 suction valve spring 23 suction valve spring retainer 27 discharge valve spring 21 discharge cover and spring retainer 25 according to some embodiments of the disclosure in fig6 a the springs and retainers function to provide a mechanical bias to the suction valve and discharge valve towards a closed position fig6 a illustrates a suction manifold 30 of the present invention comprising exterior walls 31 of an undefined shape and substantially tubular sections 32 located at either or both ends of the suction manifold 30 tubular section 32 is utilized to connect the suction manifold 30 to external piping with a corresponding tubular configuration utilized for supplying fluid to the pump fluid section 10 suction manifold 30 also comprises a mounting flange 34 usually attached to the fluid end housing 12 with bolts not shown suction manifold mounting flange 34 mates with the bottom surface 4 of fluid end housing 12 suction manifold mounting flange 34 has a thickness t suction manifold 30 also.