Description
Product Overview
The Howards 10° Valve Lock (model 93075) is engineered for durability and precision in demanding automotive environments. Constructed from high‑grade steel, the lock features a machined exterior finish that resists corrosion and wear, ensuring a long service life even under high‑temperature engine conditions. With dimensions of 4.5 x 2.75 x 0.75 inches and a lightweight profile of just 3.36 ounces, it integrates seamlessly into tight engine bays without adding unnecessary bulk. The lock incorporates two ports, each sized to a 0.34‑inch outlet, allowing for secure attachment to standard valve stems. Its 10‑degree locking angle provides optimal tension, preventing valve movement while maintaining smooth engine operation. Certified by Howards Cams, a trusted name in performance components, this valve lock meets OEM specifications and is compatible with a wide range of gasoline and diesel engines.
Usage
Designed for both professional mechanics and dedicated DIY enthusiasts, the Howards valve lock excels in a variety of scenarios. Whether you are performing a routine valve adjustment, rebuilding an engine, or preparing a race‑ready powerplant, this lock offers a straightforward installation process that saves time and reduces the risk of misalignment. Its compact size makes it ideal for high‑performance street cars, off‑road trucks, and even classic restorations where space is at a premium. The dual‑port configuration allows for simultaneous locking of intake and exhaust valves, enhancing overall engine stability during high‑rpm operation. Additionally, the 10° locking angle is particularly beneficial for engines that experience frequent load changes, as it maintains consistent valve positioning without excessive force that could damage valve seats.

Why Choose Us
When selecting a valve lock, reliability and fit are paramount. Howards Cams brings over three decades of engineering expertise to every component, and the 93075 model is no exception. Each lock undergoes rigorous quality control, including heat‑treatment cycles and dimensional inspections, to guarantee exact tolerances and consistent performance. The steel construction not only offers superior strength compared to aluminum alternatives but also provides excellent heat dissipation, reducing the likelihood of thermal expansion issues. Our commitment to customer satisfaction is reflected in the product’s #60 ranking within the Automotive Replacement Engine Valve Locks category, indicating widespread trust among automotive professionals. Moreover, the lock is backed by a comprehensive warranty, giving you confidence that your investment will endure the rigors of daily driving and competitive racing alike.
Key Features
- High‑grade steel construction for maximum strength and corrosion resistance.
- Precision‑machined 10° locking angle delivers secure valve positioning.
- Dual‑port design with 0.34″ outlet size fits standard valve stems.
- Compact dimensions (4.5 x 2.75 x 0.75 in) and lightweight (3.36 oz) for easy installation.
- Backed by Howards Cams’ reputation and a full warranty for peace of mind.
FAQ
What engines are compatible with the Howards 93075 valve lock?
The 93075 valve lock is designed to fit most gasoline and diesel engines that use a 0.34‑inch outlet size. It works well on both stock and performance applications, including street cars, trucks, and race engines.
How do I install the valve lock correctly?
Begin by cleaning the valve stem and surrounding area. Align the lock’s ports with the valve outlets, insert the lock, and rotate it to the 10° position until it seats firmly. No special tools are required beyond a standard socket or wrench.
Can the lock be reused after removal?
Yes, the Howards valve lock is designed for multiple installations. After removal, inspect the steel body for any signs of wear or damage before reusing it.
Is the lock suitable for high‑performance racing engines?
Absolutely. The steel construction, precise locking angle, and dual‑port design provide the stability needed for high‑rpm conditions, making it a popular choice among racers.
What warranty does Howards offer on this product?
Howards Cams provides a limited warranty that covers manufacturing defects for a period of one year from the date of purchase. Contact customer support with your proof of purchase for assistance.




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