Description
Product Overview
The Riyhch Slip Yoke and U‑Joint Kit is engineered specifically for the Ford 1330 series drive lines found in C‑4, T‑5 AOD Top Loader and Tremec 3550 transmissions. Constructed from high‑grade forged steel, the slip yoke features an outside dimension of 3.625 inches, a bearing cap diameter of 1.062 inches, and a spline configuration of 27 teeth with a 1.22‑inch outer diameter. The accompanying U‑Joint kit matches the yoke’s bearing cap dimensions, providing a seamless connection between the transmission output and the driveshaft. Both components are heat‑treated for enhanced strength and corrosion resistance, ensuring they can withstand the torque and vibration typical of heavy‑duty applications. The kit replaces part numbers 2‑3‑5981X (slip yoke) and 5‑213X (U‑Joint), eliminating the need to source multiple items.
Usage
Designed for professional garages, performance shops, and experienced DIY mechanics, this kit excels in both street and off‑road environments. It is ideal for rebuilding or upgrading Ford 1330 series transmissions, especially when restoring classic trucks, hot rods, or custom builds that demand reliable power delivery. The precise tolerances guarantee a snug fit, reducing play and eliminating the common whine associated with worn yokes. Installation requires standard hand tools and a torque wrench; however, professional installation is recommended to ensure proper alignment and to maintain warranty coverage. 
Why Choose Us
Riyhch stands out for its commitment to engineering excellence and rigorous quality control. Every kit undergoes a multi‑stage inspection, including dimensional verification, hardness testing, and a functional run‑in on a test bench. Our manufacturing process adheres to ISO 9001 standards, guaranteeing consistency across batches. Unlike generic aftermarket parts, this kit is a direct OEM replacement, meaning it meets the original design specifications without compromise. Additionally, Riyhch offers a limited lifetime warranty against material defects, providing peace of mind for long‑term projects.
Key Features
- Precision‑machined forged steel slip yoke with 27‑tooth spline for maximum torque transfer.
- Matching U‑Joint kit with identical bearing cap dimensions for seamless integration.
- Heat‑treated for superior strength, wear resistance, and corrosion protection.
- Direct OEM replacement for part numbers 2‑3‑5981X and 5‑213X, eliminating compatibility concerns.
- Comes with a limited lifetime warranty and is backed by Riyhch’s rigorous quality assurance program.
FAQ
Is this kit compatible with all Ford 1330 series transmissions?
Yes, the kit is designed for the Ford 1330 series used in C‑4, T‑5 AOD Top Loader and Tremec 3550 transmissions. It matches the original specifications for those applications.
Do I need any special tools to install the slip yoke?
Standard hand tools and a torque wrench are sufficient. However, professional installation is recommended to ensure proper alignment and torque settings.
What is the warranty coverage for this product?
Riyhch provides a limited lifetime warranty against material defects. The warranty does not cover damage caused by improper installation or misuse.
Can I use this kit for off‑road or high‑performance builds?
Absolutely. The forged steel construction and heat‑treated finish are designed to handle increased torque and harsh operating conditions typical of off‑road and performance applications.
How do I verify that the part numbers match my vehicle?
Check your vehicle’s service manual for the original part numbers 2‑3‑5981X (slip yoke) and 5‑213X (U‑Joint). If they match, this kit is the correct replacement.







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