1. GM 6.6L 32V Duramax Diesel Performance Valve Train Kit

    $760.00
    Kits include performance valves, performance springs, stem seals, keepers and retainers for one engine. They are designed to improve performance and service life under diesel engine stress.  Kit Contains 16 Black Lightning High Performance Exhaust Valves (QC #77-122007) 16 Black Lightning high...
  2. 38-300-45 | QualCast Stem Seal

    $1.71
    Nominal Stem Dia.: 0.276" | A = 0.255 | B = 0.679 | C = 0.491 | D = 0.485 | Type = Ring & Band | Material = Viton
  3. 22-1951-1 | QualCast Valve Seat Insert

    $18.74
  4. 22-2367-1 | QualCast Valve Seat Insert

    $17.75
  5. 38-231-25 | QualCast Stem Seal

    $1.34
    Nominal Stem Dia.: 11/32" | A = 0.341 | B = 0.86 | C = 0.47 | D = 0.545 | Type = 2-Ring | Material = Polyacrylic
  6. 22-2506-1+010 | QualCast Valve Seat Insert

    $19.06
  7. 22-2247-1 | QualCast Valve Seat Insert

    $12.85
  8. 38-6151-55 | QualCast Stem Seal

    $2.69
  9. 38-921-25 | QualCast Stem Seal

    $1.11
    Nominal Stem Dia.: 0.375" | A = 0.345 | B = 0.785 | C = 0.475 | D = 0.575 | Type = 2-Ring | Material = Polyacrylic
  10. 38-829-45 | QualCast Stem Seal

    $3.35
    Nominal Stem Dia.: 0.313" | A = 0.31 | B = 0.692 | C = 0.475 | D = 0.5 | Type = Ring & Band | Material = Viton
  11. 38-982-25 | QualCast Stem Seal

    $2.06
    Nominal Stem Dia.: 7mm | A = 0.275 | B = 0.606 | C = 0.406 | D = 0.512 | Type = Metal Clad | Material = Polyacrylic
  12. Cummins ISX 24V Heavy Duty Valve Train Kit

    from $728.33
    Standard QualCast Heavy Duty Valve Train Kits include valves, guides, keepers, valve stem seals and injector tubes with O-rings (where applicable) Full QualCast Heavy Duty Valve Train Kits include everything in the standard kit PLUS valve springs Standard Kit Contains...
  13. 22-1857-1+010 | QualCast Valve Seat Insert

    $7.29
  14. 22-1880-1 | QualCast Valve Seat Insert

    $8.50
  15. 38-6136-55 | QualCast Stem Seal

    $3.57
  16. 22-2001-1 | QualCast Valve Seat Insert

    $5.83
  17. Intake or Exhaust Valve Guides for Shovel Head 80"

    from $7.47
    Cast Iron Guides. KPMI® has produced a proprietary cast iron blend that thrives in the tough operating conditions of today's engines. This certified cast iron provides excellent wear resistance and a superior guide bore finish that is easy on valve...
  18. 38-450-45 | QualCast Stem Seal

    $1.06
    Nominal Stem Dia.: 11/32" | A = 0.31 | B = 0.725 | C = 0.56 | D = 0.645 | Type = Umbrella | Material = Viton
  19. 22-1880-2+030 | QualCast Valve Seat Insert

    $8.96
  20. 10-1242 | QualCast Valve

    $9.41
    Head Dia.: 1.559 | Stem Dia.: 0.3715 | OAL: 5.436 | Tip to Groove: 0.3209 | Angle: 45º | Type: SG