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    Search results for: 'performance short block engine'

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    1. PAC-1207X-16 PART NUMBER
      PAC Circle Track Endurance Valve Springs PAC-1200
      PAC RPM Series Valve Springs PAC-1207X
      $420.26
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      Dual Spring, 1.304" Outer Diameter, 0.950" ID outer, .680" Inner Diameter, Seat Pressure 155 @ 1.800, Open Pressure 436 @ 1.150, Coil Bind 1.000", Set of 16 Springs

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    2. HOW-98122 PART NUMBER
      Howards Chevy LS 1.000 Dual Valve Springs 98122
      Howards Chevy LS 1.000 Dual Valve Springs 98122
      $451.95
      Howards
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      Fits Chevy LS, Dual Valve Springs, w/o Damper, 1.305" OD Outer, .952" ID Outer, .945" OD Inner, .676" ID Inner, 155@ 1.800, 436@ 1.150 Open Pressure, 433 Rate, .700" Max Lift, 1.000" Coil Bend, Set of 16 Learn More
      DROP SHIP
      This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.

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    Engines
    CNC-Motorsports offers the best crate engines and race engines you can buy. We specialize in domesti...
    Engines > Short Blocks
    CNC-Motorsports short blocks are in high demand among racers of all types worldwide. We use the bes...
    Engines > Short Blocks > BB Chevy Short Blocks
    CNC-Motorsports offers the best selection in BBC 427-454-496-540-572-598-632 short blocks. Our short...
    Engines > Short Blocks > BB Chevy Short Blocks > Chevy 454 Short Deck
    CNC-Motorsports offers the best selection in BBC 454 short blocks. Our short blocks are in high dema...
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    YOUR SOURCE FOR Custom & High Performance Engine Parts Complete Engine Short Block Rot...
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    Performance Racing Specialist ABOUT CNC MOTORSPORTS It was our vis...
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    1. Spring Rate (LBS./IN.)
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