Description
D&J Precision Machine Street Performance 5.9 Cummins Long Block Our Street Performance 5.9 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing. Featuring our X-Beam Stock Length Billet Rods and Stage 1 High-Performance Cylinder Head, this engine is custom-built for your application using the best parts available in the industry, including Cummins, Mahle Clevite, and ARP.
Features
- Precision Machining: CNC bored based on application, line bored, surfaced as needed, and torque plate honed to exact specifications.
- High-Performance Cylinder Head: D&J Stage 1 Performance Cylinder Heads are disassembled, crack-checked, fitted with extra-large heavy-duty seats, machined for thread-in soft plugs, and 5-axis CNC ported.
- Each head undergoes a CNC high-performance valve job and is pressure-checked before assembly and painting.
Fitment
- 2003-2007 Dodge Ram 5.9 Cummins
- 2003-2004 Dodge Ram 5.9L Cummins
- 2004.5-2007 Dodge Ram 5.9L Cummins
Details
- Manufacturer: D&J Precision Machine
- Manufacturer part number(s): DJPLB100012, DJPLB100016
- Condition: New
- D&J engine lead time is typically 4-5 weeks from order (per manufacturer shipping policy); confirm current availability when you order.
Core Return
This product requires a $3,000 refundable core deposit, added at checkout. The deposit is refunded once your old core is returned and passes D&J Precision Machine inspection. Cores must be in good condition with no cracks and must be rebuildable. D&J inspects cores on arrival. For core return help, call Ducky Fuel Injection at 479-799-3953 before you ship.
Shipping
Manufacturer Contiguous U.S. flat-rate freight for long blocks: $450 for Contiguous U.S. addresses, added at checkout. Alaska, Hawaii, and Canada require a freight quote — call us before ordering. This is separate from any refundable core deposit.
Questions about fitment? Call or email the Ducky Fuel Injection team before you order. Call us at 479-799-3953.
California and Emissions Notice
This product is not legal for sale or use in California, or on any pollution-controlled motor vehicle where state or local law prohibits it. It does not have a California Air Resources Board (CARB) Executive Order. You are responsible for checking and following the emissions laws in your state before you buy and install it. Questions? Call us at 479-799-3953.
