171709025SD Stack Valve, Spherical, inserted valve & seat, 165T-5H
1792520-25SD Suction Valve Assembly, Spherical Valve, Tapered Seat 100T-4M
1792522-25SD Discharge Valve Assembly, Spherical Valve, Tapered Seat 100T-4M
1794025-200P Outer Spring, 200% Stronger, 300Q-5L, Spherical, Recommended by SNF
1794026-200CP Custom Spring Pack, includes Large Spring (1794026-200P) and Small Spring (1794026-200P) for NOV Spherical Valve. 330% stronger than OEM Springs.
1794026-200P Inner Spring, 200% Stronger, 300Q-5L, Spherical, Recommended by SNF