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LS1 Iron Short Blocks

The short block is the foundation of your new engine, so make sure that your foundation is strong.  Our LS1 blocks are probed and  machined in our RCM V40 CNC block mill. Then it's finished up in our Sunnen machining lab and assembled for maximum accuracy and reliability.  All of our short blocks from the Real Street to the Pro Street go through this m process to make sure your engine is the best it can be.

  •  The Real Street series short blocks are designed for street applications.

  •  The Wild Street series is focused on the street/strip engines.

  •  The Outlaw Street series engines are race engines designed for limited street use.

  •  The Pro Street series are designed to take whatever you can throw at it, and built completely custom per application.

 
  • LS1 6.0L iron block
  • New GM LS6 Cast Nodular Crankshaft 3.622" Stroke
  • Eagle Forged H-Beam Connecting Rods 6.125"
  • Diamond Forged Pistons 4.030" Bore
  • JE Plasma-moly Piston Rings
  • Clevite H series Cam, Rod, Main Bearings
  • Fully Balanced
  • Assembled short block complete with build sheets

$3584.10  (no engine core required)
 

 
  • LS1 6.0L iron block
  • Eagle Forged 4340 Crankshaft 4.000" Stroke
  • Eagle Forged H-Beam Connecting Rods 6.125"
  • Mahle Forged Pistons 4.030" Bore, -12cc Dish
  • Mahle Plasma-Moly Piston Rings
  • Clevite H series Cam, Rod, Main Bearings
  • Fully Balanced
  • Assembled short block complete with build sheets

$3866.83 (no engine core required)
 

 
  • LS1 6.0L iron block
  • Callies Racemaster 4340 Forged Crankshaft 4.000" Stroke
  • Callies Compstar Connecting Rods 6.125"
  • Mahle Forged Pistons 4.030" Bore, -12cc Dish
  • Mahle Plasma-Moly Piston Rings
  • PolyDyn Coated Clevite H series Cam, Rod, Main Bearings
  • ARP Main Studs
  • Fully Balanced
  • Assembled short block complete with build sheets

$4822.15 (no engine core required)
 

 
  • LS1 6.0L iron block
  • Callies Racemaster 4340 Forged Crankshaft 4.000" Stroke
  • Oliver Billet Connecting Rods 6.125"
  • Custom JE Forged Pistons
  • JE Rings (per application)
  • PolyDyn Coated Clevite H series Cam, Rod, Main Bearings
  • ARP Main Studs
  • Clevite H series racing bearings
  • Fully Balanced
  • Assembled short block complete with build sheets
  • Built completely  to customers requirements 

From $5500.00  (no engine core required)