2007.5-2018 Cummins Street Performance Long Block (DJPLB100020)

Fits

*IMPORTANT -  THIS PLATFORM IS RATED FOR 1000HP AND 1800LBFT OF TORQUE *MAXIMUM EFFORT**

These D&J Long Blocks come fully assembled with the highest quality build methods & parts. Each block is CNC bored depending on the application, line bored, surfaced as needed, and torque plate honed to exact spec. You also get an oil pan rear crank seal front cover and crank seal, and oil filter housing. 

All D&J Precision Machine Performance long blocks are blueprinted, balanced, oil clearance measured, and rings file fit. All Cummins long blocks are painted black and are shipped pre-lubed with break-in oil and filter included. 

Part Number: DJPLB100020

• Comes fully assembled including the oil pan rear crank seal front cover & crank seal, and oil filter housing
• Painted black and are shipped pre-lubed with break-in oil & filter included.
• Blueprinted, and balanced, oil clearance measured, and rings are file fit
• Industry-leading brands included:   Mahle Clevite, and ARP
• Disassembled, crack-checked, blasted, and cleaned machining
• Each block is CNC bored depending on the application
• CNC machined for the girdle and studs, and torque plate honed to exact spec
• Fire Ring grooves are cut into the cylinder head along with custom ARP 9/16" head studs for best head to block seal
• Extra large HD seats

Includes:

• All New HD Bronze Valve Guides Installed
• HD Extra Large Intake Seats Installed
• HD Extra Large Exhaust Seats Installed
• Industry Leading 5-Axis CNC Port Job
• Thread In Soft Plugs Under The Valve Cover
• High-Performance CNC Valve Job Performed
• New OEM Valve Seals Installed
• New 105# Springs Installed

• Cores must include usable block, crank, cylinder head, rocker bases, oil pan and bolts, pickup tube, timing gear housing, timing gear housing cover and bolts, rear seal housing and bolts, piston cooling nozzles, and bolts, lower rocker box and bolts. If there are issues with any of the parts you will NOT be charged the full core amount, just the amount to replace the bad part.