Ford Custom Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Ford Custom air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Ford Custom Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Ford Custom run better. Fast and FREE SHIPPING with any Ford Custom air filter

  1. 1972 Ford Custom 429 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  2. 1972 Ford Custom 400 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  3. 1972 Ford Custom 240 L6 CARB air filter
    Special Price £82.49 Regular Price £109.99
    E-1200
    K&N
  4. 1971 Ford Custom 429 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  5. 1971 Ford Custom 400 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  6. 1971 Ford Custom 390 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  7. 1971 Ford Custom 351 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  8. 1971 Ford Custom 302 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  9. 1971 Ford Custom 240 L6 CARB air filter
    Special Price £82.49 Regular Price £109.99
    E-1200
    K&N
  10. 1970 Ford Custom 240 L6 CARB air filter
    Special Price £82.49 Regular Price £109.99
    E-1200
    K&N
  11. 1970 Ford Custom 302 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  12. 1970 Ford Custom 351 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  13. 1970 Ford Custom 390 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  14. 1970 Ford Custom 429 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  15. 1970 Ford Custom 428 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  16. 1969 Ford Custom 240 L6 CARB air filter
    Special Price £82.49 Regular Price £109.99
    E-1200
    K&N
  17. 1969 Ford Custom 429 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  18. 1969 Ford Custom 428 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  19. 1969 Ford Custom 390 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  20. 1969 Ford Custom 351 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  21. 1969 Ford Custom 302 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  22. 1968 Ford Custom 427 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  23. 1968 Ford Custom 289 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  24. 1968 Ford Custom 240 L6 CARB air filter
    Special Price £82.49 Regular Price £109.99
    E-1200
    K&N
  25. 1968 Ford Custom 302 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  26. 1968 Ford Custom 390 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1570
    K&N
  27. 1968 Ford Custom 428 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  28. 1967 Ford Custom 289 V8 CARB air filter
    Special Price £59.99 Regular Price £79.99
    E-1040
    K&N
  29. 1967 Ford Custom 240 L6 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  30. 1967 Ford Custom 427 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  31. 1966 Ford Custom 427 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1560
    High-Flow Original Lifetime Engine Air Filter - FORD/ MERCURY
  32. 1966 Ford Custom 289 V8 CARB air filter
    Special Price £59.99 Regular Price £79.99
    E-1040
    K&N
  33. 1966 Ford Custom 240 L6 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  34. 1965 Ford Custom 240 L6 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  35. 1965 Ford Custom 427 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  36. 1965 Ford Custom 390 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  37. 1965 Ford Custom 352 V8 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
  38. 1965 Ford Custom 289 V8 CARB air filter
    Special Price £59.99 Regular Price £79.99
    E-1040
    K&N
  39. 1964 Ford Custom 260 V8 CARB air filter
    Special Price £59.99 Regular Price £79.99
    E-1040
    K&N
  40. 1964 Ford Custom 223 L6 CARB air filter
    Special Price £67.49 Regular Price £89.99
    E-1080
    K&N
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