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    1. MAN-42151-8 PART NUMBER
    2. MAN-42355-8 PART NUMBER
    3. MAN-42356-8 PART NUMBER
    4. MAN-42164-8 PART NUMBER
    5. MAN-42149-8 PART NUMBER
    6. MAN-42152-8 PART NUMBER
    7. MAN-42166-8 PART NUMBER
    8. MAN-42160-8 PART NUMBER
    9. MAN-221447P-16 PART NUMBER
      221447P-16
      Manley 221447P-16 Polished NexTek Drag Race Valve Springs
      $908.09
      Manley
      Add to Wish List
      Triple Spring with Damper, Super Stock, Pro Mod., Competition Eliminator, 1.677" Outer Diameter, .635" Inner Diameter, Seat Pressure 350 @ 2.000, Open Pressure 895 @ 1.270, Coil Bind 1.160", Set of 16 Learn More
    10. MAN-221447-16 PART NUMBER
      221447-16
      Manley 221447-16 NexTek Drag Race Valve Springs
      $647.49
      Manley
      Add to Wish List
      Triple Spring with Damper, Super Stock, Pro Mod., Competition Eliminator, 1.677" Outer Diameter, .635" Inner Diameter, Seat Pressure 350 @ 2.000, Open Pressure 895 @ 1.270, Coil Bind 1.160", Set of 16 Learn More

    Products (1-10 of 143)

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    1. Part Types
      Crankshaft
    2. Part Types
      Engine Valve Spring
    3. Part Types
      Guide Plate
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    Part Types
    1. Assembly Lubricant 1 item
    2. Bolt 10 items
    3. Bolt Kit 10 items
    4. Cam Button 6 items
    5. Camshaft Locking Plate 1 item
    6. Connecting Rod 281 items
    7. Crankshaft 62 items
    8. Engine Piston 1214 items
    9. Engine Rotating Assembly Kit 35 items
    10. Engine Valve 1083 items
    11. Engine Valve Spring 73 items
    12. Fastener 10 items
    13. Fuel Pump Pushrod 1 item
    14. Guide Plate 8 items
    15. Hardware 350 items
    16. Piston Ring 114 items
    17. Pushrods 332 items
    18. Short Block Engine 4 items
    19. Valve Lock 101 items
    20. Valve Spring 23 items
    21. Valve Spring Locator 66 items
    22. Valve Spring Retainer 162 items
    23. Woodruff Crankshaft Key 1 item
    Balance Type
    1. Internal 52 items
    Coil Bind
    1. 0.710 1 item
    2. 0.765 1 item
    3. 0.790 1 item
    4. 0.845 1 item
    5. 0.850 1 item
    6. 0.860 2 items
    7. 0.900 1 item
    8. 0.920 2 items
    9. 0.950 4 items
    10. 0.960 2 items
    11. 0.970 1 item
    12. 0.975 1 item
    13. 1.000 2 items
    14. 1.020 1 item
    15. 1.050 1 item
    16. 1.070 4 items
    17. 1.080 2 items
    18. 1.085 2 items
    19. 1.090 2 items
    20. 1.100 7 items
    21. 1.130 4 items
    22. 1.142 6 items
    23. 1.150 5 items
    24. 1.160 2 items
    25. 1.170 2 items
    26. 1.180 2 items
    27. 1.190 2 items
    28. 1.200 4 items
    29. 1.215 2 items
    30. 1.220 2 items
    31. 1.255 1 item
    32. 1.105 1 item
    33. .904 1 item
    Crankshaft Material
    1. 4340 Steel 53 items
    2. Billet 9 items
    Crankshaft Series
    1. Lightweight 28 items
    2. Sport Compact 9 items
    3. Standard Weight 22 items
    4. Lightweight-Billet 3 items
    Crankshaft Stroke
    1. 3.480 3 items
    2. 3.543 1 item
    3. 3.622 5 items
    4. 3.750 3 items
    5. 3.800 1 item
    6. 3.850 1 item
    7. 3.875 2 items
    8. 4.000 14 items
    9. 4.050 7 items
    10. 4.100 8 items
    11. 4.250 3 items
    12. 4.375 1 item
    13. 4.500 1 item
    14. 4.625 1 item
    15. 4.750 1 item
    16. 75.0mm 1 item
    17. 77.7mm 1 item
    18. 79.0mm 1 item
    19. 83.0mm 1 item
    20. 88.0mm 2 items
    21. 94.0mm 2 items
    22. 100.0mm 2 items
    Installed Height
    1. 1.811 1 item
    Main Journal
    1. 2.449 4 items
    2. 2.450 5 items
    3. 2.479 7 items
    4. 2.559 23 items
    5. 2.6572 2 items
    6. 2.750 4 items
    Number of Springs
    1. Double 7 items
    2. Dual 35 items
    3. Single 22 items
    4. Single Conical 1 item
    5. Triple 8 items
    Outer Spring Outer Diameter
    1. 0.990 2 items
    2. 1.050 1 item
    3. 1.100 4 items
    4. 1.101 2 items
    5. 1.105 1 item
    6. 1.106 1 item
    7. 1.125 1 item
    8. 1.126 2 items
    9. 1.160 5 items
    10. 1.175 1 item
    11. 1.180 2 items
    12. 1.250 2 items
    13. 1.255 1 item
    14. 1.295 1 item
    15. 1.311 4 items
    16. 1.340 1 item
    17. 1.400 1 item
    18. 1.437 2 items
    19. 1.500 4 items
    20. 1.522 1 item
    21. 1.530 1 item
    22. 1.540 1 item
    23. 1.550 7 items
    24. 1.560 1 item
    25. 1.570 2 items
    26. 1.580 2 items
    27. 1.610 2 items
    28. 1.620 1 item
    29. 1.640 4 items
    30. 1.650 2 items
    31. 1.677 8 items
    32. 1.324 1 item
    33. 1.335 1 item
    34. 1.014 1 item
    Price
    Rear Main Seal
    1. 1 Piece 35 items
    2. 2 Piece 17 items
    Rod Journal
    1. 2.000 7 items
    2. 2.0000 2 items
    3. 2.100 35 items
    4. 2.200 8 items
    Spring Rate (LBS./IN.)
    1. 227 1 item
    2. 230 1 item
    3. 245 1 item
    4. 248 1 item
    5. 253 2 items
    6. 255 1 item
    7. 258 2 items
    8. 264 1 item
    9. 274 1 item
    10. 294 4 items
    11. 310 2 items
    12. 330 2 items
    13. 341 1 item
    14. 345 1 item
    15. 353 3 items
    16. 354 1 item
    17. 357 1 item
    18. 359 1 item
    19. 375 2 items
    20. 379 1 item
    21. 391 1 item
    22. 394 2 items
    23. 428 1 item
    24. 458 1 item
    25. 460 1 item
    26. 471 1 item
    27. 484 1 item
    28. 500 2 items
    29. 533 1 item
    30. 534 1 item
    31. 535 2 items
    32. 546 2 items
    33. 548 1 item
    34. 575 2 items
    35. 604 2 items
    36. 614 1 item
    37. 635 1 item
    38. 647 3 items
    39. 720 2 items
    40. 733 2 items
    41. 746 2 items
    42. 770 2 items
    43. 780 1 item
    44. 797 1 item
    45. 800 2 items
    46. 948 2 items
    47. 964 1 item
    48. 618 1 item
    49. 236 1 item
    Vehicle Make
    1. Acura 1 item
    2. BB Chevy 8 items
    3. Chevy BB 2 items
    4. Chevy LS 20 items
    5. Chevy LT1/LT4 3 items
    6. Chevy SB 3 items
    7. Chrysler Hemi 1 item
    8. Chrysler Gen III HEMI 7 items
    9. Dodge SRT-4 1 item
    10. Ford 2 items
    11. Ford BB 2 items
    12. Ford Modular 8 items
    13. Ford SB 1 item
    14. Honda 5 items
    15. Mitsubishi 9 items
    16. Nissan 6 items
    17. SB Chevy 9 items
    18. Subaru 5 items
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