![]() ![]() Thread In Soft Plugs Under The Valve Cover.Cores can be sent in before hand to eliminate the core charge of $2500.00*Ģ50 CFM Stage 2 High Performance Cylinder Head Includes ![]() Shipping of engines vary for each purchase. Performance Cummins long blocks can be painted any color and are shipped pre-lubed with break in oil and filter included. ![]() All cylinder heads are hand lapped and pressure checked before being completely assembled.Īll D&J Precision Machine Performance Long Blocks are blueprinted, balanced, oil clearance measured, rings file fit. The head is machined for our Stage 2 Billet Intake Manifold and 5-axis CNC ported. Stock seats are removed and replace with our extra large heavy duty seats. D&J Stage 2 Performance Cylinder Heads are completely disassembled and checked for cracks. Fire Ring grooves are cut into the cylinder head and the block along with custom ARP 9/16″ head studs to give the best head to block seal possible. Each block is CNC bored depending on the application, line bored, surfaced as needed, CNC machined for the girdle and studs, and torque plate honed to exact spec. Our Performance 6.7 Cummins Long Block are disassembled, crack checked, blasted and cleaned before we start machining. We custom build this engine for your application, with the best parts available in the industry including Cummins, Mahle Clevite, and ARP. Our Performance 6.7 Cummins come fully assembled from oil pan to rockers with our X-Beam Stock Length Billet Rods and our Stage 2 High Performance Cylinder Head. D&J Precision Machine Performance 6.7 Cummins Long Block. ![]()
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December 2022
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