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    blocks chevy BlocksS blocks\ blocks chev Blocks Che
    1. PAC-KS06 PART NUMBER
      PAC RPM Series Dual Valve Spring Kit PAC-KS06
      PAC RPM Series Dual Valve Spring Kit PAC-KS06
      $728.23
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      .625" Max Lift, 1904 Dual Valve Springs, R435 Tool Steel Retainers, L8113 Valve Locks,  S135 Spring Seats, Valve Seals 

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    2. PAC-KS07 PART NUMBER
      PAC RPM Series Dual Valve Spring Kit PAC-KS07
      PAC RPM Series Dual Valve Spring Kit PAC-KS07
      $777.14
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      .650" Max Lift, 1905 Dual Valve Springs, R435 Tool Steel Retainers, L8113 Valve Locks,  S135 Spring Seats, Valve Seals 

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    3. PAC-KS11 PART NUMBER
      PAC RPM Series Dual Valve Spring Kit PAC-KS11
      PAC RPM Series Dual Valve Spring Kit PAC-KS11
      $756.02
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      .625" Max Lift, 1904 Dual Valve Springs, R335 Tool Steel Retainers, OE Valve Locks, S129 Spring Seats, Valve Seals 

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    4. PAC-KS17 PART NUMBER
      PAC RPM Series Dual Valve Spring Kit PAC-KS17
      PAC RPM Series Dual Valve Spring Kit PAC-KS17
      $736.01
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      .650" Max Lift, 1905 Dual Valve Springs, R435 Tool Steel Retainers, L8113 Valve Locks, S129 Spring Seats, Valve Seals 

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    5. PAC-KS18 PART NUMBER
      PAC RPM Series Dual Valve Spring Kit PAC-KS18
      PAC RPM Series Dual Valve Spring Kit PAC-KS18
      $777.14
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      .650" Max Lift, 1905 Dual Valve Springs, R435 Tool Steel Retainers, L8113 Valve Locks, S129 Spring Seats, Valve Seals 

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    6. PAC-KS13 PART NUMBER
      PAC RPM Series Beehive Valve Spring Kit PAC-KS13
      PAC RPM Series Beehive Valve Spring Kit PAC-KS13
      $550.34
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      .625" Max Lift, 1219 Beehive Valve Springs, R311 Tool Steel Retainers, L8113 Valve Locks, S111 Spring Seats, Valve Seals 

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    7. MAN-26380638KS PART NUMBER
      Comp Cams 26918CS-KIT LS Engine Beehive Valve Spring kit
      Manley 26380638KS LS Engine Double Valve Spring kit
      $604.51
      Manley
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      .600" Max lift, 221438-16 Double Valve Springs, 23606TS-16 Tool Steel Retainers, 13153-16 7 Degree Valve Locks, 24042-16 Seals, 42338-16 Spring Seats

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    8. CRW-68435-16 PART NUMBER
      CRW-68435-16
      Crower 68435-16 Performance Valve Springs, Single Spring, OD 1.050
      $213.54
      Crower
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      Single Spring, OD 1.050 ID .635 at top OD 1.210 ID .815 at bottom Spring Diameter, Lowest Pressure 60 @ 2.000, Highest Pressure 342 @ 1.200, .171/.199 Wire Diameter, Coil Bind 1.095", Set of 16 Learn More
    9. CRW-68304-16 PART NUMBER
      CRW-68304-16
      Crower 68304-16 Performance Valve Springs, Single Spring, OD 1.260
      $61.63
      Crower
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      Single Spring, OD 1.260 ID .880 Spring Diameter, Lowest Pressure 80 @ 1.850, Highest Pressure 345 @ 1.200, .190 Wire Diameter, Coil Bind 1.090", Set of 16 Learn More
    10. CRW-68157-16 PART NUMBER
      CRW-68157-16
      Crower 68157-16 Performance Valve Springs, Dual Spring, OD 1.290
      $198.49
      Crower
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      Dual Spring, OD 1.290 ID .950 Spring Diameter, Lowest Pressure 128 @ 1.850, Highest Pressure 415 @ 1.100, .172/.134 Wire Diameter, Coil Bind 1.040" with .050" step, Set of 16 Learn More

    Products (1-10 of 37)

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    CNC-Motorsports offers the best crate engines and race engines you can buy. We specialize in domesti...
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    Air & Fuel > Carburetor Accessories > Metering Blocks & Conversion Kits
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    YOUR SOURCE FOR Custom & High Performance Engine Parts Complete Engine Short Block Rot...
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    1. Installed Height
      1.800
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    Pump Rotation
    1. Standard 0 items
    2. Reverse 0 items
    Part Types
    1. Engine Valve Spring 30 items
    2. Hardware 37 items
    3. Valve Spring 7 items
    Brands
    1. Comp Cams 10 items
    2. Crower 5 items
    3. Manley 1 item
    4. PAC 21 items
    Price
    Coil Bind
    1. 1.000 6 items
    2. 1.010 3 items
    3. 1.020 2 items
    4. 1.040 1 item
    5. 1.045 1 item
    6. 1.050 1 item
    7. 1.055 1 item
    8. 1.060 1 item
    9. 1.080 2 items
    10. 1.085 1 item
    11. 1.090 1 item
    12. 1.095 1 item
    13. 1.100 6 items
    14. 1.110 1 item
    15. 1.115 2 items
    16. 1.130 1 item
    17. 1.150 1 item
    18. 1.160 1 item
    19. 1.260 1 item
    20. 0.973 1 item
    21. 1.129 1 item
    Installed Height
    1. .050 Longer 1 item
    2. .100 Longer 32 items
    3. .200 Longer 16 items
    4. .250 Longer 14 items
    5. .300 Longer 5 items
    6. .350 Longer 3 items
    7. .500 Longer 1 item
    8. .600 Longer 8 items
    9. .700 Longer 4 items
    10. 1.350 3 items
    11. 1.400 1 item
    12. 1.420 1 item
    13. 1.470 3 items
    14. 1.500 2 items
    15. 1.550 3 items
    16. 1.570 2 items
    17. 1.570" 1 item
    18. 1.590 1 item
    19. 1.600 2 items
    20. 1.600" 1 item
    21. 1.640 1 item
    22. 1.640" 4 items
    23. 1.650 3 items
    24. 1.650" 1 item
    25. 1.680" 2 items
    26. 1.700 11 items
    27. 1.700" 3 items
    28. 1.750 6 items
    29. 1.750" 6 items
    30. 1.770 1 item
    31. 1.780 1 item
    32. 1.800 37 items
    33. 1.800" 32 items
    34. 1.810 14 items
    35. 1.810" 1 item
    36. 1.835 1 item
    37. 1.835" 2 items
    38. 1.850 5 items
    39. 1.850" 1 item
    40. 1.880 4 items
    41. 1.900 14 items
    42. 1.900" 3 items
    43. 1.925 1 item
    44. 1.940" 1 item
    45. 1.950 10 items
    46. 1.950" 2 items
    47. 1.975 1 item
    48. 2.000 13 items
    49. 2.000" 17 items
    50. 2.050 9 items
    51. 2.050" 2 items
    52. 2.070" 2 items
    53. 2.100 5 items
    54. 2.100" 9 items
    55. 2.150 6 items
    56. 2.175" 1 item
    57. 2.200 6 items
    58. 2.200" 8 items
    59. 2.300 12 items
    60. Stock 96 items
    61. 2.250 1 item
    62. 2.350 3 items
    63. 1.980 1 item
    64. 2.030 2 items
    65. 1.875 1 item
    66. 1.688 1 item
    67. 2.550 1 item
    68. 2.060 2 items
    69. 1.575 4 items
    70. 1.811 2 items
    Number of Springs
    1. Beehive 8 items
    2. Dual 24 items
    3. Single 5 items
    Outer Spring Outer Diameter
    1. 1.015 1 item
    2. 1.210 1 item
    3. 1.260 1 item
    4. 1.274 2 items
    5. 1.280 1 item
    6. 1.290 5 items
    7. 1.300 2 items
    8. 1.310 2 items
    9. 1.340 1 item
    10. 1.390 1 item
    11. 1.415 1 item
    12. 1.430 1 item
    13. 1.440 2 items
    14. 1.454 1 item
    15. 1.489 1 item
    16. 1.550 1 item
    17. 1.545 1 item
    18. 1.304 2 items
    19. 1.324 2 items
    20. 1.307 1 item
    21. 1.442 1 item
    Spring Rate (LBS./IN.)
    1. 156 1 item
    2. 231 1 item
    3. 280 1 item
    4. 313 3 items
    5. 324 1 item
    6. 340 2 items
    7. 348 1 item
    8. 353 1 item
    9. 367 1 item
    10. 370 2 items
    11. 371 1 item
    12. 372 1 item
    13. 390 1 item
    14. 391 1 item
    15. 392 4 items
    16. 400 1 item
    17. 408 1 item
    18. 409 1 item
    19. 425 1 item
    20. 433 1 item
    21. 450 1 item
    22. 460 1 item
    23. 500 1 item
    24. 550 1 item
    25. 566 1 item
    26. 369 1 item
    27. 673 1 item
    28. 740 1 item
    29. 520 1 item
    30. 507 1 item
    Vehicle Make
    1. Chevy LS 7 items
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