Get the latest SPELAB product releases, engineering updates, testing insights, industry trends, and company announcements for performance-focused automotive enthusiasts.
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.
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...
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...
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...
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...
Updated on September 24, 2026. A larger intake horn can reduce intake-side restriction on a 2007.5–2024 Ram 6.7L Cummins, but the benefit is often modest on an otherwise stock daily...
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...
Hearing a hiss, seeing low boost, or getting bad MAP/IAT data? Use this diagnosis-first guide to check leaks, sensors, grid-heater hardware, wiring, and intake components before replacing parts.
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...
Updated on January 6, 2026 by John Lee TL;DR Cleaning and painting the 6.7 Cummins valve cover protects the aluminum and enhances appearance. Remove the valve cover safely, degrease it,...