5.9 Cummins Intake Horn Spacer

Enhance the performance and appearance of your 5.9L Cummins engine with the G&R Diesel 2" Billet Aluminum Intake Horn Spacer. This precision-machined component is specifically engineered to optimize airflow within the intake system on 1989–2007 Dodge Cummins applications, making it an ideal upgrade for modified turbo setups, intake conversions, and high-performance builds.

Premium Construction & Materials

CNC-machined from high-grade 6061-T6 billet aluminum, this spacer offers outstanding strength, lightweight characteristics, and excellent corrosion resistance. The robust billet design ensures long-term durability under the demanding conditions typical of diesel performance applications, including elevated boost levels and increased airflow demands. Manufactured in the USA with strict quality control, every spacer delivers consistent fitment and reliable service life.

Key Features & Design Advantages

• 2-Inch Spacer Height: Provides critical additional clearance and volume for upgraded intake horns, larger turbo inlet piping, and hybrid intake configurations — helping maximize airflow while maintaining proper component alignment.
• Optimized Airflow: Designed to improve intake efficiency on 5.9L Cummins engines, supporting higher power output by reducing restrictions and promoting smoother air delivery to the cylinders.
• Direct Compatibility: Seamlessly integrates with factory and aftermarket air intake systems on 1989–2007 5.9L Cummins engines. Perfect companion piece for 6.7L-style intake horn conversions or custom turbo intake builds.
• Professional Billet Finish: Clean, attractive machined appearance that complements other billet components in a well-appointed engine bay.

Why Choose the G&R Diesel Intake Horn Spacer?

In high-performance Cummins builds, proper intake geometry and clearance are essential for achieving maximum efficiency and avoiding fitment issues. This 2" spacer addresses common limitations of stock configurations, delivering measurable improvements in airflow potential while adding a premium, professional look under the hood. Whether you're building a reliable daily driver, a towing powerhouse, or a competition truck, this spacer provides a cost-effective yet high-quality solution that enhances both performance and aesthetics.

Applications: 1989–2007 Dodge Ram 5.9L Cummins (12V & 24V)