Spring and Houston Auto Repair

Mon - Fri: 8:00 AM - 6:00 PM

Build Own Engine | ABR Houston

Build Your Own N55

For detailed information and engine specifics,
please see our performance engine page.

Choose your engine



Please send all inquires to [email protected]

THE MERCENARY
$2399.99

Bare Bones Closed Deck Block

What’s Included?

  • CNC closed deck conversion
  • Hone the cylinders to equal size using our custom deck plate
  • Provide the cylinder bore size
  • Replace oil galley plugs
  • Deck the cylinder block

Send us a CLEAN and COMPLETELY STRIPPED (including bed plate) block to us.

THE HITMAN
$3699.99

Closed deck conversion with crank installed

What’s Included?

  • CNC closed deck conversion
  • Hone the cylinders to equal size using our custom deck plate
  • Provide the cylinder bore size
  • Deck the cylinder block
  • Check and if needed, straighten crank
  • Refurbish the crankshaft, and polish the journals
  • Replace oil galley plugs
  • Clean all oil passages
  • Measure and decode block and crankshaft
  • Balance crankshaft and pistons to .5 gram
  • Replace main bearings
  • Replace and torque bedplate bolts
  • Replace and torque main bolts
  • Install front and rear main seals
  • Install bedplate injection plugs, and seal bedplate
  • Check turning torque of rotating assembly

Send us a CLEAN block with THE CRANKSHAFT AND BEDPLATE ORIGINALLY TORQUED (DO NOT remove them) to us.

THE PUNISHER
$5399.99

Assembled Short Block With Stock Rods & JE Pistons
Exchange engine program! The fastest way to get back on the road!

What’s Included?

  • CNC closed deck conversion
  • Hone the cylinders to equal size using our custom deck plate
  • Provide the cylinder bore size
  • Deck the cylinder block
  • Check and if needed, straighten crank
  • Refurbish the crankshaft, and polish the journals
  • Clean all oil passages
  • Replace oil galley plugs
  • Measure and decode block and crankshaft
  • Balance crankshaft and pistons to .5 gram
  • Install stock compression JE pistons
  • File fit piston rings to each cylinder
  • Replace Main bearings
  • Replace and torque bedplate bolts
  • Replace and torque main bolts
  • Install front and rear main seals
  • Install bedplate injection plugs, and seal bedplate
  • Check turning torque of rotating assembly

Send us a CLEAN block with THE CRANKSHAFT, RODS, PISTONS AND BEDPLATE ORIGINALLY TORQUED(DO NOT remove them) to us as a core. We’ll send you out an assembled short block, ready to go. 

See core requirements

*Price when purchased with any additional options.

  • Head studs 
  • Pauter connecting rods 
  • Maximum PSI pinned hub 
  • Stg1 Cylinder head
  • Stg2 Cylinder head 
  • Stg3 Cylinder head 
  • Our proprietary valve train
  • Bearing and Piston coating
  • Engine assembly
  • Engine installation
  • Shipping (including international)
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