6.4 Power Stroke Black Label™ Stage 3 Cylinder Heads

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6.4 Power Stroke Black Label™ Stage 3 Cylinder Heads

Name: 6.4 Power Stroke Black Label™ Stage 3 Cylinder Heads
Brand: Sidepiece Motorsports
SKU: L6400BLS3
Availability: InStock

DDPM’s Complete 6.4 Airflow System.

\nSome cylinder heads are designed to advertise airflow. \n \nBlack Label™ was designed to perform. \n \nThe DDPM 6.4 Power Stroke Black Label™ Stage 3 program represents the highest level of cylinder head and airflow development available from Dynamic Diesel Performance & Machine. \n \nThis is not a stock replacement cylinder head. \n \nThis is not a mild performance upgrade. \n \nBlack Label™ is DDPM’s flagship 6.4 cylinder head package engineered for customers demanding maximum airflow, premium CNC development, and serious performance capability. \n \nBuilt around full CNC intake and exhaust development, airflow refinement, and intake manifold matching, Black Label™ delivers a complete airflow system designed to support serious horsepower while maintaining the airflow efficiency and runner behavior DDPM believes creates real-world power. \n \nThis is airflow engineered with purpose. \n \nThis is Black Label™. \n

Why Black Label™ Exists

\nThe 6.4 Power Stroke responds aggressively to airflow improvement. \n \nBut maximum performance requires more than enlarging a runner or chasing peak flow numbers. \n \nTrue airflow development requires balance. \n \nIt requires: \n \n• Bowl development \n• Short-turn refinement \n• Transition control \n• Chamber efficiency \n• Exhaust development \n• Airflow continuity \n• Proper intake alignment \n \nBlack Label™ was developed to maximize the capability of the OEM 6.4 casting through complete airflow engineering. \n \nRather than relying on oversized ports or cosmetic port work, Black Label focuses on fully engineered airflow development. \n \nThis includes: \n \n

Full CNC intake development \n

Full CNC exhaust development \n

Intake manifold port matching \n

Custom intake gaskets \n

Flow balance throughout the lift range \n

Repeatable CNC geometry \n \nThe result is a cylinder head package engineered for serious performance while maintaining the airflow quality and runner behavior DDPM has refined through years of development. \n

Full CNC Intake & Exhaust Development

\nBlack Label™ Stage 3 receives DDPM’s most advanced 6.4 airflow program. \n \nThis is not partial port work. \n \nThis is not basic bowl cleanup. \n \nThis is full airflow development. \n

Intake Development

\n• Full CNC intake port refinement \n• Bowl development \n• Short-turn refinement \n• Transition optimization \n• Airflow balancing \n• Port entrance refinement \n

Exhaust Development

\n• Full CNC exhaust refinement \n• Improved evacuation \n• Improved transition geometry \n• Balanced exhaust flow \n• Enhanced high-lift performance \n \nThis creates a cylinder head designed around usable airflow across the lift range. \n \nNot just peak numbers. \n \nAt DDPM, airflow is engineered to perform on the street, on the dyno, and under load—not simply on paper. \n

Real Flow-Tested Performance

\nAt DDPM, airflow claims are supported by real testing. \n \nBlack Label™ Stage 3 development is validated using professional SuperFlow testing corrected to 28” H₂O. \n \nBlack Label airflow characteristics deliver: \n \n• Strong low-lift airflow response \n• Increased mid-lift efficiency \n• Improved high-lift capability \n• Improved cylinder filling \n• Balanced intake and exhaust performance \n \nThe goal was never simply maximum CFM. \n \nThe goal was to create a complete airflow system engineered for real power production. \n \nThat distinction matters. \n

Intake Manifold Port Matching Included

\nBlack Label™ is engineered as a complete airflow package. \n \nUnlike basic port work or optional manifold upgrades, intake manifold port matching is INCLUDED with every Black Label package. \n \nWhy? \n \nBecause airflow should not encounter unnecessary restriction or mismatch between the intake manifold and cylinder head. \n \nBlack Label incorporates: \n \n

Intake manifold port matching \n

Matched airflow transition \n

Reduced airflow disruption \n

Improved continuity \n

Custom matched intake gaskets INCLUDED \n \nThis creates a professionally engineered airflow system—not simply a set of ported heads. \n

Intake Manifold Options Available

\nCustomers may choose from two intake manifold options. \n

Option 1 — Purchase New Port-Matched Intake Manifold

\nDDPM offers professionally matched new intake manifold packages designed to complement Black Label™ airflow development. \n \nBenefits include: \n \n• Ready-to-install convenience \n• No cleaning required \n• Reduced downtime \n• Consistent port alignment \n• Complete airflow package integration \n \nThis option is recommended for customers seeking the simplest installation and highest level of airflow consistency. \n

Option 2 — Customer Supplied Intake Port Matching

\nCustomers may send their existing intake manifold to DDPM for port matching. \n \nCustomer supplied intake manifolds MUST arrive: \n \n• Cleaned \n• Free of oil \n• Free of coolant \n• Free of carbon buildup \n• Free of dirt and debris \n \nImportant Customer Responsibility Notice: \n \nDDPM is NOT responsible for cleaning customer supplied intake manifolds either before or after machining. \n \nFinal cleaning, preparation, and shipping costs remain customer responsibility. \n \nDirty or contaminated manifolds may delay processing or be rejected prior to machining. \n \nCustomers are responsible for shipping intake manifolds to and from DDPM. \n

Custom Intake Gaskets Included

\nEvery Black Label™ package includes custom intake gaskets designed to complement Stage 3 airflow development and maintain proper sealing and transition alignment. \n \nThe goal is simple: \n \nProvide customers with a complete professionally developed airflow package—not just a cylinder head. \n

OEM Iron Casting Strength

\nBlack Label™ retains the proven strength and thermal stability of the OEM-NEW style 6.4 iron casting. \n \nThis provides: \n \n• Excellent durability \n• Superior combustion stability \n• High cylinder pressure capability \n• Reliable long-term service life \n• Excellent sealing characteristics \n \nThe result is premium airflow capability without abandoning the strength serious diesel customers demand. \n

Complete Cylinder Head Preparation

\nEvery DDPM Black Label™ cylinder head receives extensive machining, inspection, and assembly procedures. \n \nTypical preparation includes: \n \n• Pressure testing \n• Vacuum testing \n• Precision valve work \n• Surface machining \n• Final cleaning \n• Blueprint verification \n• Professional assembly \n \nOur diesel performance valves are designed to perform reliably in the extreme \nconditions that exist in highly boosted \nturbo diesel engines. \nBi-metallic exhaust valves are made \nfrom inconel and HNV-3 alloys and are \nstellite faced to operate under extreme \nheat conditions. \nIntake valves are made from 21-4N \nalloy steel. Both intake and exhaust \nvalves are put through our proprietary \nfive step liquid nitriding process, resulting in valves that are smoother, stronger \nand more corrosion resistant than traditional chrome plated stainless valves. \n \nCylinder heads are prepared with the same philosophy DDPM has built its reputation on: \n \nAffordable performance. \nFast turnaround. \nReal-world results. \n

Ideal Applications

\nBlack Label™ Stage 3 was engineered for customers seeking premium airflow and serious performance capability. \n \nIdeal applications include: \n \n• Performance street trucks \n• Competition builds \n• Large injector combinations \n• Turbo upgraded trucks \n• High horsepower 6.4 builds \n• Premium engine combinations \n• Customers seeking DDPM’s flagship cylinder head package \n

Technical Specifications

\nDDPM 6.4 Black Label™ Stage 3 \n \n• Full CNC intake development \n• Full CNC exhaust development \n• Intake port matching INCLUDED \n• Custom intake gaskets INCLUDED \n• SuperFlow tested \n• 28” corrected airflow development \n• Vacuum tested \n• Precision machined \n• O-ring options available \n• Premium airflow package \n

Frequently Asked Questions

Is Black Label fully ported?

\nYes. \n \nBlack Label™ represents DDPM’s full Stage 3 CNC airflow package. \n

Is intake matching included?

\nYes. \n \nEvery Black Label package includes intake port matching and custom intake gaskets. \n

Can I send my own intake?

\nYes. \n \nCustomer supplied intakes are accepted but must arrive cleaned and remain the customer’s responsibility before and after machining. \n

Is Black Label only for race trucks?

\nNo. \n \nBlack Label works exceptionally well on serious street, competition, and high horsepower applications where maximum airflow capability is desired. \n

The DDPM Black Label™ Difference

\nNot every cylinder head earns a reputation. \n \nSome are simply sold. \n \nBlack Label™ was developed through airflow refinement, CNC engineering, and real-world performance philosophy. \n \nThis is DDPM’s flagship 6.4 cylinder head program. \n \nMaximum airflow. \nComplete airflow package. \nIntake matched. \nPremium development. \nDDPM engineered. \n

Black Label™ Stage 3

Built For Power. Engineered To Lead.

\nDesign Protection Notice \n \nThis is a proprietary cylinder head design developed through years of testing and real-world application. \n \nPatent protection is in place. \nAll designs and machining strategies are proprietary.