Description
Product Overview
The RSHEXJI Camshaft Gasket Kit is a precision‑engineered solution designed specifically for General Motors LS and LT engine families. Constructed from a high‑strength, oxide‑coated steel plate, the gasket offers superior heat resistance and durability, while the integrated orange Oring provides a leak‑proof seal that protects vital oil passages. This kit replaces OEM part numbers 12589016, 61220G, BTR89016, 83470, and 134‑1003, ensuring a perfect fit for engines ranging from the early LS1 to the latest LT4. With dimensions of 5 x 4.45 x 0.2 inches and a lightweight design at just 8.4 ounces, the kit is easy to handle and install. The package includes four countersunk T40 Torx bolts, eliminating the need for additional hardware and streamlining the installation process for both DIYers and professional technicians.
![[Product front view showing all components]](https://www.cleverbuy.store/wp-content/uploads/2026/06/ed0e323c3a5146c2b98356bdf3072b96.jpg)
Usage
This gasket kit is ideal for anyone performing engine rebuilds, performance upgrades, or routine maintenance on LS and LT platforms. Whether you are restoring a classic 1997 Chevrolet Camaro with an LS1 or tuning a 2022 Chevrolet Corvette Z06 equipped with an LT4, the RSHEXJI kit provides the reliability needed for high‑performance applications. The steel plate’s robust construction resists deformation under high‑temperature conditions, making it suitable for street driving, track days, and heavy‑duty towing. The Oring’s tight seal prevents oil loss, which is critical for engines that operate under high load or extended idle periods. The kit’s universal compatibility also covers a range of Chevrolet and GMC models, including Silverado, Tahoe, and Suburban, ensuring that a wide audience can benefit from this product.
Why Choose Us
Choosing RSHEXJI means selecting a brand committed to quality and precision. Each gasket is manufactured in a controlled environment, where the steel plate undergoes a rigorous oxide‑coating process to enhance corrosion resistance. Our engineering team conducts extensive fit‑testing on every GM engine variant, guaranteeing that the gasket aligns perfectly with camshaft journals and oil passages. The inclusion of the orange Oring, a material chosen for its elasticity and temperature tolerance, ensures a seal that remains effective even after repeated heat cycles. Additionally, RSHEXJI offers a 12‑month warranty and responsive after‑sales support, giving customers confidence that any issues will be addressed promptly. Our commitment to continuous improvement means we regularly update our designs based on feedback from automotive professionals and enthusiasts.
Key Features
- High‑strength steel plate provides long‑lasting durability and heat resistance.
- Integrated orange Oring creates a tight, leak‑proof seal to protect oil passages.
- Prevents camshaft walk and reduces thrust bearing wear for smoother engine operation.
- Includes four T40 Torx bolts for a quick, hardware‑free installation.
- Backed by a 12‑month warranty and dedicated customer support for peace of mind.
FAQ
Does this gasket kit fit both LS1 and LT4 engines?
Yes, the kit is engineered to fit a wide range of GM Gen III, IV, and V engines, including LS1, LS2, LS3, LT1, LT4, and many others from 1997 to 2023.
What makes the steel plate different from standard gaskets?
The steel plate is oxide‑coated, which improves resistance to heat and corrosion, ensuring the gasket maintains its shape and sealing ability under extreme engine conditions.
Can I install the kit myself, or do I need a professional?
The kit includes all necessary hardware and detailed instructions, making it suitable for experienced DIY enthusiasts. However, if you are unfamiliar with camshaft work, professional installation is recommended.
How does the Oring prevent oil leaks?
The Oring is made from a high‑elasticity material that conforms to the mating surfaces, creating a continuous seal that blocks oil from escaping even when the engine experiences thermal expansion.
What is covered under the RSHEXJI warranty?
The 12‑month warranty covers any manufacturing defects. If you encounter any issues, contact our support team for a replacement or refund, depending on the situation.




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