For All Your High Performance Needs


BB Chevy 540-588 Short Blocks, Short Deck

CNC-Motorsports, has quickly raised the bar to a new level in offering high quality short blocks at an affordable price. Our short blocks have become a huge hit among racers and performance enthusiast all over the world. We have the ability to custom build you just about any combination the way you want it. All our short blocks are 100% machined, CNC Machined and blue-printed to our race wining specs. We never cut corners like others just to lessen the price.

We literally have hundreds of short block options we can offer. We have listed the most common set ups. Please call us if your looking for something not listed and we will be more than happy to give you a quote.

Items 1 to 15 of 91 total

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  1. CNC Competition BB Chevy 582 Dart Short Block, Scat Crank, JE 10.5:1 Pistons

    CNC Competition BB Chevy 582 Dart Short Block, Scat Crank, JE 10.5:1 Pistons

    Part Number: CNC-9797-S

    $5,079.95

    BB Chevy 582, Dart Block, Scat 4340 Forged Steel 4.375 Crankshaft, Scat 6.535 H Beam Rods, JE 10.5:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  2. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, Diamond 9.0:1 Pistons

    CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, Diamond 9.0:1 Pistons

    Part Number: CNC-9785-S

    $4,699.95

    BB Chevy 540, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 9.0:1 Flat Top Pistons

    Manufacturer: CNC-Motorsports

  3. CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 14.7:1 Nitrous Pistons

    CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 14.7:1 Nitrous Pistons

    Part Number: CNC-9784-S

    $4,789.95

    BB Chevy 565, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 14.7:1 Nitrous Dome Pistons

    Manufacturer: CNC-Motorsports

  4. CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 14.5:1 Nitrous Pistons

    CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 14.5:1 Nitrous Pistons

    Part Number: CNC-9783-S

    $4,769.95

    BB Chevy 555, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 14.5:1 Nitrous Dome Pistons

    Manufacturer: CNC-Motorsports

  5. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 14.2:1 Nitrous Pistons

    CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 14.2:1 Nitrous Pistons

    Part Number: CNC-9782-S

    $4,749.95

    BB Chevy 540, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 14.2:1 Nitrous Dome Pistons

    Manufacturer: CNC-Motorsports

  6. CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 13.6:1 Pistons

    CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 13.6:1 Pistons

    Part Number: CNC-9781-S

    $4,799.95

    BB Chevy 565, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 13.6:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  7. CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 13.4:1 Pistons

    CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 13.4:1 Pistons

    Part Number: CNC-9780-S

    $4,799.95

    BB Chevy 555, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 13.4:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  8. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 13.1:1 Pistons

    CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 13.1:1 Pistons

    Part Number: CNC-9779-S

    $4,799.95

    BB Chevy 540, Dart Block, Scat 4340 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 13.1:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  9. CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 8.7:1 Pistons

    CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, JE 8.7:1 Pistons

    Part Number: CNC-9778-S

    $4,779.95

    BB Chevy 565, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 8.7:1 Dish Pistons

    Manufacturer: CNC-Motorsports

  10. CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 8.6:1 Pistons

    CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, JE 8.6:1 Pistons

    Part Number: CNC-9777-S

    $4,749.95

    BB Chevy 555, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 8.6:1 Dish Pistons

    Manufacturer: CNC-Motorsports

  11. CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, Diamond 9.2:1 Pistons

    CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, Diamond 9.2:1 Pistons

    Part Number: CNC-9786-S

    $4,699.95

    BB Chevy 555, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 9.2:1 Flat Top Pistons

    Manufacturer: CNC-Motorsports

  12. CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, Diamond 9.3:1 Pistons

    CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, Diamond 9.3:1 Pistons

    Part Number: CNC-9787-S

    $4,699.95

    BB Chevy 565, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 9.3:1 Flat Top Pistons

    Manufacturer: CNC-Motorsports

  13. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, Diamond 13.5:1 Pistons

    CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, Diamond 13.5:1 Pistons

    Part Number: CNC-9796-S

    $4,779.95

    BB Chevy 540, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 13.5:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  14. CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, Diamond 13.9:1 Pistons

    CNC Competition BB Chevy 565 Dart Short Block, Scat Crank, Diamond 13.9:1 Pistons

    Part Number: CNC-9795-S

    $4,799.95

    BB Chevy 565, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 13.9:1 Dome Pistons

    Manufacturer: CNC-Motorsports

  15. CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, Diamond 13.5:1 Pistons

    CNC Competition BB Chevy 555 Dart Short Block, Scat Crank, Diamond 13.5:1 Pistons

    Part Number: CNC-9794-S

    $4,779.95

    BB Chevy 555, Dart Block, Scat 4140 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, Diamond 13.5:1 Dome Pistons

    Manufacturer: CNC-Motorsports

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