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    Search results for: 'engine components rotating assemblies'

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    1. PAC-1237X-16 PART NUMBER
      PAC Circle Track Endurance Valve Springs PAC-1200
      PAC RPM Series Valve Springs PAC-1237X
      $525.88
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      Dual Spring, 1.274" Outer Diameter, 0.900" ID outer, .630" Inner Diameter, Seat Pressure 200 @ 1.800, Open Pressure 585 @ 1.100, Coil Bind 1.045", Set of 16 Springs

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    2. PAC-1333-16 PART NUMBER
      PAC Circle Track Endurance Valve Springs PAC-1200
      PAC 1300 Series Drag Race Valve Springs PAC-1333
      $640.39
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      Dual Spring, 1.274" Outer Diameter, 0.900" ID of outer spring, 0.616" ID of inner spring, Seat Pressure 245 @ 1.800, Open Pressure 750 @ 1.050, Coil Bind 1.160", Set of 16 Springs

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    Featured Products
    Engine Parts > Rotating Assembly - Stroker Kits > BBC 454 Rotating Assembly
    CNC-Motorsports offers an endless variety of Big Block Chevy 454 rotating assemblies. We offer ever...
    Engine Parts > Rotating Assembly - Stroker Kits > BBC 502 509 Rotating Assembly
    CNC-Motorsports offers an endless variety of Big Block Chevy 502 rotating assembly kits. We offer e...
    Engine Parts > Rotating Assembly - Stroker Kits > BBC 504 511 Rotating Assembly
    CNC-Motorsports offers an endless variety of Big Block Chevy 504-511 rotating assembly. We offer ev...
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    Shipping & Delivery All items are shipped through UPS Ground, FedEx or USPS, unless special...
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    YOUR SOURCE FOR Custom & High Performance Engine Parts Complete Engine Short Block Rot...
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    3. Outer Spring Outer Diameter
      1.274
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    1. Standard 0 items
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    1. Engine Valve Spring 2 items
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    3. PAC 2 items
    Price
    Coil Bind
    1. 1.045 1 item
    2. 1.160 1 item
    Outer Spring Outer Diameter
    1. 1.061 1 item
    2. 1.105 1 item
    3. 1.106 2 items
    4. 1.244 2 items
    5. 1.260 3 items
    6. 1.274 2 items
    7. 1.280 1 item
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    27. 1.570 2 items
    28. 1.574 2 items
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    30. 1.625 4 items
    31. 1.645 12 items
    32. 1.667 3 items
    33. 1.681 4 items
    34. 1.695 1 item
    35. 1.710 2 items
    36. 1.545 2 items
    37. 1.304 3 items
    38. 1.324 2 items
    39. 1.459 1 item
    40. 1.538 1 item
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    42. 1.561 1 item
    43. 1.659 3 items
    44. 1.449 1 item
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    46. 1.284 2 items
    47. 1.474 1 item
    48. 1.071 1 item
    49. 1.307 1 item
    50. 1.083 2 items
    51. 1.345 1 item
    52. 1.021 1 item
    53. 1.031 1 item
    54. 1.490 1 item
    Spring Rate (LBS./IN.)
    1. 550 1 item
    2. 673 1 item
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