PREDATOR Long Block

PREDATOR Long BlockD&J Precision Machine Predator 6. 4 Cummins Long Block. Our Predator 6. 4 Cummins come fully assembled from the oil pan to the D&J Billet LED Valve Cover. All D&J Precision Machine Performance Long Blocks are blueprinted, and balanced, oil clearance measured, and rings are file fit. Performance Cummins long blocks can be painted any color and are shipped pre lubed with break in oil and filter included. Available for all year and model Cummins

and high temperatures during engine operation

Industry-leading 5-axis CNC port job

Don’t get caught with dual pump issues when you can make this kind of power with the simplicity of one pump

(1) Crank sensor tab

Superior Construction

D&J Precision Machine manufactures our tool steel wrist pins in-house at our facility in the United States

One prevalent problem with factory and many aftermarket heads is the valve seats loosening and falling out

Street & Track Transmission for your 05-07 Dodge 5

*Note: This product includes only the D&J Precision Machine branded oil cap cover

D&J HD Girdle

piston cooling nozzles

we design our X-BEAM 1-inch Billet Cummins Rods with a unique "X" profile that maximizes strength while reducing weight