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Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
How to Change Dana 35 Gear Oil and Seal a Differential Cover
A step-by-step guide to changing gear oil and sealing a Dana 35 differential cover, with expert insights on leak prevention, proper sealant use, and easier maintenance with aftermarket upgrades.
Aluminum vs Steel vs Cast Iron Differential Covers: Which One Fits Your Truck?
Aluminum cools better, steel takes hits, and cast iron is heavy. Engineer John Lee explains which diff cover material is right for your build in this updated 2026 guide.
Best Aftermarket Differential Cover for Ram 2500: Solve Overheating & Leaks
1. Why Upgrade Your Ram 2500 Differential Cover? Your Ram 2500’s differential cover plays a crucial role in protecting gears and maintaining proper lubrication. However, the stock cover has several...
Solving the Carbon Deposit Problem: EGR, Intake, or Both?
1. Introduction When upgrading a 6.7 Cummins engine, a common topic of discussion among owners is whether to delete the EGR system or upgrade the intake horn. The issue of...
6.7 Cummins Billet Valve Cover vs Cast Aluminum Valve Cover: Which Upgrade is Right for You?
Updated on January 8, 2026 TL;DR: The stock 6.7L Cummins plastic valve cover warps and leaks due to thermal fatigue. Upgrading to aluminum solves this. Billet aluminum offers superior strength, heat...
6.7 Cummins Grid Heater Delete or Upgrade: What Ram Owners Should Know
Updated July 13, 2026. If you own a 2007.5-2024 Ram 2500, 3500, 4500, or 5500 with the 6.7L Cummins, the factory grid heater is one of those parts you may...
![Best 6.7 Cummins Intake Horn: SPELAB vs. Banks Monster Ram [Dyno-Tested]](http://www.spelabautoparts.com/cdn/shop/articles/Best_6.7_Cummins_Intake_Horn_SPELAB_vs._Banks_Monster_Ram_Dyno-Tested_a40be6c0-a8c1-42db-ace9-5413fcb2249d.webp?v=1785341493&width=1400)
Best 6.7 Cummins Intake Horn: SPELAB vs. Banks Monster Ram
Updated on July 23, 2026. A 6.7 Cummins intake horn replaces the cast inlet path that carries compressed air into the intake plenum. On a stock grocery-getter, the change may...
6.7 Cummins Intake Horn Guide: Fitment, Airflow and Grid Heater 2026
Stop choking your 6.7 Cummins. We rank the top intake elbows for 2025, explain the physics of 45° airflow, and show you how to fix the deadly grid heater bolt...
6.7 Cummins Intake Horn Guide: Gaskets, Sensors, Grid Heater Checks, and Control Motor Diagnosis
Got 6.7 Cummins intake problems? This detailed DIY guide provides step-by-step instructions for replacing the gasket, sensor, and control motor to fix leaks and restore your engine’s lost power.
How to Remove and Install the 2018 Ram 2500 6.7L Cummins Intake Manifold?
Author: John Lee, SPELAB Mechanical Engineer. Updated on May 12, 2026. Quick Answer: How Do You Remove and Install the Intake Manifold on a 2018 Ram 2500 6.7 Cummins? To...
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