Hayward SPX2600CKIT Drivetrain Upgrade Replacement for Hayward Superpump Pump, 1/2-HP Drivetrain upgrade replacement Fits hayward superpump pump sp1600x series models sp1600x5, sp1605x7, sp1607x10, sp1608x10, sp1610x15, sp1611x15, sp1615x20, sp1616x20, sp1621x25 Capacity 1/2-hp Weighs 3-Pound