Description
Product Overview
The T&D Machine Products rocker arm shaft is engineered from high‑grade forged steel, providing exceptional durability and resistance to wear in demanding engine environments. With a weight of 12.3 pounds and compact dimensions of 20.2 x 5.5 x 5.4 inches, it fits seamlessly into a wide range of automotive applications. The shaft conforms to the OEM specifications for model 7341-165, ensuring precise valve timing and optimal power transfer. Its robust construction minimizes flex and maintains alignment under high RPM conditions, supporting both daily driving and performance tuning.
Usage
Designed for both street and track use, this rocker arm shaft excels in high‑performance engines, rebuild projects, and routine maintenance. It is ideal for enthusiasts upgrading their valve train, mechanics performing engine overhauls, and racers seeking consistent lift and reduced bounce. The shaft’s compatibility with standard T&D mounting points makes installation straightforward in most V‑type and inline configurations.

Why Choose Us
T&D Machine Products combines decades of engineering expertise with rigorous quality control, delivering components that meet or exceed OEM standards. Each shaft undergoes heat treatment and precision machining to guarantee exact tolerances and surface finish. Our commitment to durability means fewer replacements and lower long‑term maintenance costs, giving you confidence in every mile.
Key Features
- Forged steel construction for maximum strength and wear resistance
- Exact OEM fit for model 7341-165, ensuring seamless integration
- Optimized geometry reduces valve train flex at high RPMs
- Heat‑treated for consistent performance under extreme conditions
- Lightweight design (12.3 lb) improves overall engine balance
FAQ
Is this rocker arm shaft compatible with my engine?
It is designed to match the specifications of T&D model 7341-165 and fits most engines that use that OEM part number. Verify your engine’s rocker arm dimensions before purchase.
What maintenance does the shaft require?
Regular inspection for wear and proper lubrication during oil changes is recommended. Replace if you notice excessive play or surface scoring.
Can this shaft be used in high‑performance applications?
Yes, the forged steel material and heat‑treated finish make it suitable for both street and track use, handling high RPMs and aggressive valve timing.
What is the warranty coverage?
T&D offers a limited one‑year warranty against manufacturing defects, providing peace of mind for your investment.
How does this shaft improve engine performance?
By maintaining precise valve lift and reducing flex, the shaft helps achieve smoother power delivery, better fuel efficiency, and increased reliability under load.






Rocker Arm Shaft T&D Machine Products Steel Design
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