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Texas Speed & performance

"We strive to give every car owner the opportunity to enjoy the best performance products and services on a driver's budget."


In 2003, Trevor Doelling and Jason Mangum founded Texas Speed and Performance (TSP) as a small speed shop. It's now one of the largest high performance parts retailers in the country specializing in the late model LSx and LT1 engine platforms. With over 30+ combined years of experience specific to the LSx  and LT1 market, you can be rest assured you will be provided with the expert knowledge and technical expertise you need to make an informed decision on your specific application.

We know that no matter how much money you save by shopping with us, you still expect outstanding customer service, and TSP is here to perform. With quality and friendly service, we believe that you should have our support before, during, and long after the purchase. We pride ourselves in providing our knowledge to our customers even when there is no sale to be made; personal attention and long-term relationships are our goals!

We are constantly adding to our product line, and we strive to have the parts you need, in stock, when you need them. With thousands of parts currently in stock for your late model car or truck, and with over 30 drop ship warehouses, we strive to provide on-time delivery for our customers.

At TSP, not only do we sell the most affordable & dependable high performance parts, but we also test them with our state-of-the-art Superflow engine dyno. Our research and development team constantly tests parts to find the best performance for all types of applications. Ask one of our sales consultants about testing on the parts you’re interested in purchasing. If we haven’t tested it yet, it might just go on our list!

TSP is committed to providing quality parts and services at an affordable price. We strive to always exceed our customer’s expectations.