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)