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    Valves

    CNC-Motorsports offers the best in valves by Ferrea and Manley. We offer everything for street performance to all out nitrous & turbo race engines.
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    1. MAN-12346-8 PART NUMBER
      SBC Manley Severe Duty Pro Flo Intake Valves 2.125 12346-8
      SBC Manley Severe Duty Pro Flo Intake Valves 2.125 12346-8
      $311.48
      Manley
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      SB Chevy, Intake Valves, 2.125 Head Diameter, .3133 Stem Diameter, .100 Longer than Stock Height, Set of 8 Valves. Learn More

    Products (41-41 of 41)

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    1. Stem Diameter
      0.3133
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    Gram Weight
    1. 103 2 items
    2. 105 1 item
    3. 106 1 item
    4. 107 2 items
    5. 108 3 items
    6. 109 2 items
    7. 110 3 items
    8. 111 1 item
    9. 112 3 items
    10. 113 2 items
    11. 114 2 items
    12. 115 2 items
    13. 117 2 items
    14. 118 1 item
    15. 119 2 items
    16. 120 2 items
    17. 124 2 items
    18. 91 1 item
    19. 93 1 item
    20. 94 1 item
    21. 95 3 items
    22. 97 1 item
    23. 98 1 item
    Installed Height
    1. .100 Longer 7 items
    2. .300 Longer 3 items
    3. Stock 31 items
    Stem Diameter
    1. 0.2150 (5.46mm) 19 items
    2. 0.2157 (5.48mm) 20 items
    3. 0.2165 3 items
    4. 0.2345 (5.96mm) 24 items
    5. 0.2346 6 items
    6. 0.2350 (5.97mm) 9 items
    7. 0.2355 12 items
    8. 0.2358 4 items
    9. 0.2362 (6mm) 33 items
    10. 0.2575 (6.54mm) 5 items
    11. 0.2587 (6.57mm) 1 item
    12. 0.2735 1 item
    13. 0.2740 (6.96/7mm) 46 items
    14. 0.2750 42 items
    15. 0.2754 (7.0mm) 1 item
    16. 0.2755 1 item
    17. 0.3075 4 items
    18. 0.3085 8 items
    19. 0.3090 5 items
    20. 0.3100 8 items
    21. 0.3110 (5/16") 188 items
    22. 0.3125 45 items
    23. 0.3130 48 items
    24. 0.3130m 2 items
    25. 0.3133 41 items
    26. 0.3135 26 items
    27. 0.3136 (8mm) 48 items
    28. 0.3138 (8mm) 2 items
    29. 0.3415 2 items
    30. 0.3415m 1142 items
    31. 0.3420 3 items
    32. 0.3705 1 item
    33. 0.3715m 153 items
    34. 0.3720 28 items
    35. 4.46mm 2 items
    36. 4.48mm 2 items
    37. 5.48mm 3 items
    Tip Length
    1. .160 9 items
    2. .170 2 items
    3. .175 17 items
    4. .260 11 items
    5. .300 2 items
    Valve Head Diameter
    1. 1.900 1 item
    2. 2.000 2 items
    3. 2.020 4 items
    4. 2.050 2 items
    5. 2.055 4 items
    6. 2.080 8 items
    7. 2.100 6 items
    8. 2.120 2 items
    9. 2.125 1 item
    10. 2.165 8 items
    11. 2.205 2 items
    12. 1.930 1 item
    Overall Valve Length
    1. 4.874 17 items
    2. 4.900 4 items
    3. 4.935 4 items
    4. 5.035 7 items
    5. 5.200 6 items
    6. 5.253 2 items
    7. 5.232 1 item
    Valve Series
    1. Race Flo 20 items
    2. Race Master 4 items
    3. Severe Duty 1 item
    4. Severe Duty Pro Flo 16 items
    Vehicle Make
    1. Chevy LS 28 items
    2. Chevy LT 2 items
    3. SB Chevy 11 items
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