General Tech Information
Why You Need To Measure
Measuring ensures a proper fit. This article explains why we don’t go by vehicle model alone and how the right length prevents future problems.
View MoreMeasuring for Highly Modified Vehicles
For custom buggies and modified rigs where standard shaft options don’t apply — how to get accurate measurements.
View MoreChoosing Between a Double Cardan and Single Cardan
This guide breaks down which is best for your Jeep or truck based on lift height and driveline angles.
View MoreU-Joint Size Identification
The right size is critical. Use our Measure & Match app to quickly identify the correct U-joint size for replacements or repairs.
View MoreThe Difference Between 1310 and 1350 Series
Not sure if you need 1310 or 1350 joints? This guide explains the key differences in size, strength, and application.
View MoreDifference Between S and X Spline Options
Many of our shafts have a couple spline options for you to choose from. Learn more about the differences here.
View MoreHow To Measure Drivline Angles
Proper driveline angles are key to avoiding vibration. This guide shows how to measure your driveline angles accurately using basic tools.
View MoreUnderstanding Driveline Angles
Learn why driveline angles matter. This in-depth guide explains the theory behind proper alignment and common vibration issues.
View MoreChoosing Between a Double Cardan and Single Cardan
See how angles determine which type of shaft will work best in your application.
View MoreSlip Yoke Eliminators Explained
For many vehicles, running a double cardan drive shaft first requires installation of a Slip Yoke Eliminator.
View MoreDiagnosing Drive Shaft Vibrations
Driveshaft vibration often points to bad angles. This guide helps you diagnose angle-related issues and other common causes of driveline shake.
View MoreDIY U-Joint Replacement
Replacing U-joints at home? This step-by-step guide covers the tools, tips, and techniques you need for a smooth and successful DIY installation.
View MoreHow To Grease Your Drive Shaft
Regular greasing keeps your driveshaft running smooth. Learn how often to grease, which fittings to hit, and what type of grease works best.
View MoreDrive Shaft Length and Spline Engagement
Worried if you have the right spline engagement? Learn how much of your driveshaft spline should be showing for safe, reliable operation.
View MoreDrive Shaft Length After Lift
Learn more about how lifting your Jeep or Truck affects the length of the drive shaft and estimate the amount of change.
View MoreDouble Cardan Checker
Use our handy calculator to determine whether or not you need a double cardan drive shaft.
View MoreDrive Shaft RPM Calculator
Enter your tire diameter and pinion gear ratio to see how fast your drive shaft is rotating at various speeds.
View MorePinion Angle Adjustment
Calculate and correct driveline angles to redu vibration after lifting your vehicle.
View MoreJeep Drive Shaft Info
Measuring for Jeep CJ Drive Shafts
Learn the key differences and considerations when upgrading or replacing the front drive shaft in your CJ Jeep. This covers angles, compatibility, and why either a conventional two-joint shaft or a double cardan may be the right choice for your setup.
View MoreMeasuring for Fully Custom Builds
If your vintage Jeep is heavily modified, or if you're unsure what changes previous owners made, this guide walks you through the step-by-step process of measuring for fully custom drive shafts.
View MoreMeasuring for Jeep YJ Drive Shafts
Learn how to measure your Jeep YJ to determine the correct drive shaft type and size. This guide covers everything from standard setups to shackle reversals, slip yoke eliminators (SYEs), and double cardan shafts.
View MoreFront Drive Shaft for Jeeps with Shackle Reversal
Jeeps with shackle reversals typically require a front drive shaft with extra-long travel. This guide explains how to measure and choose the right shaft for your setup.
View MoreSingle vs Double Cardan: Choosing the Right Shaft
Not sure which type of drive shaft your YJ needs? This guide breaks down the differences between single and double cardan joints and helps you choose the best option based on lift height, driveline angles, and intended use.
View MoreSlip Yoke Eliminator (SYE) Explained
Installing an SYE can dramatically improve driveline angles and reduce vibration in lifted YJs. This guide explains what an SYE does, why it’s important, and how it affects your rear drive shaft setup.
View MoreMeasuring for Jeep TJ Drive Shafts
Not sure which type of drive shaft your TJ needs? This guide breaks down the differences between single and double cardan joints and helps you choose the best option based on lift height, driveline angles, and intended use.
View MoreJeep TJ Rubicon Front Drive Shafts
Rubicon model Jeep TJs and LJs require different size drive shafts than the standard or sport model Jeeps. This page will guide you through some of the important information and show you how to properly measure for a new front shaft.
View MoreSingle vs Double Cardan: Choosing the Right Shaft
Choosing between a single or double cardan drive shaft on your TJ depends on lift height, pinion angle, and intended use. This guide explains the pros and cons of each setup to help you make the right choice for your Jeep.
View MoreSlip Yoke Eliminator (SYE) Explained
A Slip Yoke Eliminator is one of the most important upgrades for lifted Jeep TJs. This guide explains how an SYE works, why it’s needed, and how it improves rear drive shaft performance and reliability.
View MoreDrive Shaft Vibrations After Re-Gear
Many TJ owners choose to re-gear to 5.13 or similar axle ratios for better performance but this can sometimes lead to high-speed driveshaft vibrations. Learn more about why it happens and what factors contribute.
View MoreJeep TJ Rubicon Rear Drive Shafts
Rubicon model Jeep TJs and LJs use different rear drive shafts than standard or Sport models. This guide covers what sets them apart and walks you through how to measure for a proper replacement.
View MoreChoosing Between 1310 and 1350 Series Drive Shafts
Not sure whether to run 1310 or 1350 joints on your JK? This guide breaks down the differences in strength, and compatibility, helping you choose the right setup for your build and driving style.
View MoreJeep JK Front Drive Shafts
Learn what sets the JK’s front drive shaft apart from other Jeep models, common failure points, and how to properly measure and upgrade for long-term durability, especially on lifted setups.
View MoreJeep JK Rear Drive Shafts
The rear drive shaft on a JK is prone to issues when lifting, especially with factory-style joints. This guide explains common failure points, the benefits of upgrading to a double cardan shaft, and how to measure for a proper fit.
View MoreWhy We Don't Offer 1310 Series JL Drive Shafts
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View MoreJL Front Drive Shafts Without FAD: What You Need to Know
JL models without a front axle disconnect (FAD) have a front drive shaft that spins full-time, even in 2WD. This constant rotation can lead to premature wear and vibrations, especially with aftermarket suspension.
View MoreMeasuring for Jeep XJ Drive Shafts
Accurate measurements are key to ordering the correct drive shaft for your XJ. This guide walks you through the process step by step, covering both front and rear shafts, whether your Cherokee is stock or lifted.
View MoreSingle vs Double Cardan: Choosing the Right Shaft
Choosing between a single or double cardan drive shaft on your XJ depends on lift height, pinion angle, and intended use. This guide explains the pros and cons of each setup to help you make the right choice for your Jeep.
View MoreSlip Yoke Eliminator (SYE) Explained
Lifting your XJ often leads to driveline vibrations caused by poor angles. This guide explains how an SYE upgrade solves those issues, improves reliability, and allows for a double cardan rear drive shaft.
View MoreMeasuring for a ZJ or WJ Grand Cherokee Front Drive Shaft
ZJ and WJ Grand Cherokees came with several different front drive shaft setups from the factory. This guide helps you identify which version you have and shows you how to take accurate measurements for a proper replacement.
View MoreMeasuring Front Drive Shafts for WK Grand Cherokees
WK Grand Cherokees use a unique CV-style front drive shaft that often needs upgrading—especially on lifted vehicles. This guide shows you how to identify your current setup and measure accurately for a stronger, more reliable replacement.
View MoreMeasuring Rear Drive Shafts for Grand Cherokees with 247 & 249 Transfer Cases
Grand Cherokees equipped with 247 or 249 transfer cases can use different styles of rear drive shafts depending on the year and configuration. This guide helps you identify what you have and shows you how to measure correctly for a replacement.
View MoreMeasuring Rear Drive Shafts for 231 & 242 Transfer Cases
Grand Cherokees with 231 or 242 transfer cases often use a different rear drive shaft setup than other models. This guide walks you through how to identify your configuration and measure accurately for the right replacement.
View MoreFord Drive Shaft Info
Measuring for Early Bronco (1966-1977) Drive Shafts
Early Broncos use a variety of drive shaft lengths and configurations. Learn how to take accurate measurements to ensure a perfect fit for your classic Ford build.
View MoreMeasuring for Full Size Bronco Drive Shafts
Full-size Broncos have a wide variety of drive shaft configurations. This guide shows you how to identify your setup and measure accurately for a proper fit.
View MoreMeasuring for Fully Custom Builds
If your Ford is heavily modified, or if you're unsure what changes previous owners made, this guide walks you through the step-by-step process of measuring for fully custom drive shafts.
View MoreU-Joint Size Identification
The right size is critical. Use our Measure & Match app to quickly identify the correct U-joint size for replacements or repairs.
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