Big Block Chevy 632 SR20 Drag Race Engine (1100+ HP)

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Big Block Chevy 632 SR20 Drag Race Engine (1100+ HP)

SKU: CNC-9632-SR20

Dart Big M Sportsman Block, Manley Crankshaft, Manley Rods, CP Pistons, Brodix SR20 Heads, Jesel Shaft Rockers, Jesel Belt Drive, Dyno Tested

$23,999.95
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⚠ Prop 65 Warning
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

Here at CNC-Motorsports we strive for customer satisfaction on every engine. These motors all start with quality new Dart Big M blocks. The Dart blocks start by going to our Peterson Align hone where every block is machined within specs. From there we go to our Rottler F68A CNC machine, where we true the bell housing face, parallel square deck, bore, and stroker clearance (when required).Once the blocks are completed at the Rottler they go to our Sunnen CK-10 cylinder hone, where the block is finish honed to specification and checked with our profilometer. Each valve job is done on our Berco cylinder head machine and flow tested on our Saenz flow bench. All of our rotating assemblies are balanced on our Hines Dominator custom built balancing machine. Each component is balanced within +/- 1 grams and the crankshaft is spin balanced to within .5 grams. All engines are fully blueprinted to our race specs.

  • Dart Big M Sportsman Block
  • Manley Crank
  • Manley H Beam connecting rods with ARP2000 Bolts
  • CP Pistons 14.8:1
  • CP piston ring set
  • Clevite 77 Bearings
  • Canton Drag Oil Pan
  • Melling Select Oil Pump
  • Jesel Belt Drive
  • ATI SFI Balancer
  • Custom Solid Roller Camshaft
  • Crower Roller Lifters
  • Brodix SR20 CNC Ported Heads
  • Manley Ti Intake Valves
  • Manley Severe Duty Exhaust Valves
  • PAC Springs
  • PAC Ti Retainers
  • Trend Pushrods
  • Jesel shaft rockers
  • CNC Fabricated Covers
  • ARP Hardware
  • Fel-Pro Gaskets
  • Brodix Intake
  • ARP Hardware
  • 100% Machined, balanced, assembled and blue printed in-house by CNC-Motorsports
  • Additional Information

    • Order Line
      800-341-1528

    • We Ship
      Worldwide

    • visa, discover, mastercard &
      paypal accepted

    • Manufacturer
      CNC-Motorsports
    • Vehicle Make
      Chevy BB