Gearstar Performance Transmissions

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Operating Hours

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Gearstar Performance Transmissions Introduce

Within the Auto Repair Stations category, Gearstar Performance Transmissions carves out a highly specialized and distinguished niche. Unlike general auto repair shops or even typical transmission repair centers, Gearstar focuses exclusively on the custom manufacturing and rebuilding of high-performance automatic transmissions and torque converters. Their clientele primarily consists of automotive enthusiasts, racers, and individuals seeking superior performance and durability for their vehicles, ranging from classic muscle cars to modern street machines and specialized applications. This is not a typical walk-in repair shop for a minivan transmission; rather, it's a dedicated facility for those who demand the utmost in powertrain performance.

The environment at Gearstar Performance Transmissions is that of a dedicated workshop focused on precision and craftsmanship. This isn't a customer waiting area with magazines and coffee; it's a meticulously organized production facility where transmissions are built to exacting standards. The emphasis is on a clean, controlled environment crucial for assembling intricate mechanical components. Their shop floor is equipped with specialized tools and machinery, including state-of-the-art transmission dynos. These dynos are a key part of their process, allowing each transmission and converter to be tested under simulated real-world conditions for the equivalent of 100 miles before shipment. The atmosphere reflects a deep commitment to quality, with skilled technicians meticulously handling each component. The company operates under an employee-owned structure, which fosters a stable environment where team members are deeply invested in the quality and success of each unit produced. This pride in workmanship is evident in the attention to detail throughout the build process, from careful core selection to final dyno testing. The environment is less about customer comfort on-site and more about ensuring the absolute highest quality product leaves their facility.

The services provided by Gearstar Performance Transmissions are highly specialized and revolve entirely around high-performance automatic transmissions and torque converters. Their core service is the custom building and rebuilding of transmissions for Ford, GM, and Mopar vehicles. This is not a mass-production assembly line; each transmission is hand-built to order by a single master technician. This bespoke approach ensures that the transmission is precisely optimized for the customer's specific application, considering factors like engine horsepower, torque output, gear ratio, and intended use (e.g., street, strip, towing). They offer various "levels" of performance transmissions, designed to handle increasing levels of horsepower and torque, from mild street performance to extreme racing applications. In addition to complete transmissions, Gearstar also provides custom-built torque converters, which are critical components in optimizing a vehicle's acceleration and power delivery. Every transmission and converter they build undergoes rigorous dyno testing to ensure perfect operation before it is shipped to the customer. While they primarily build and sell transmissions, their technical support team is available to assist customers with questions regarding fluid requirements, proper installation, and maintenance, ensuring the longevity and optimal performance of their products. They do not typically perform vehicle installation services, focusing instead on manufacturing and supplying the high-performance powertrain components themselves.

Several significant features set Gearstar Performance Transmissions apart as an industry leader. Foremost is their commitment to hand-built quality by a single technician. This "one builder, one transmission" philosophy ensures meticulous attention to detail, consistency, and accountability, as the technician oversees the entire assembly process from start to finish. This contrasts sharply with mass-produced or assembly-line rebuilds. Another critical feature is their use of only the highest quality, often US-made, components. They emphasize using premium parts, like genuine OEM planetary gears and top-tier clutch packs, rather than cheaper alternatives, which directly contributes to the superior durability and performance of their transmissions. The extensive dyno testing of every single transmission and converter for the equivalent of 100 miles before it leaves the shop is a standout feature, providing verifiable proof of functionality and performance. Gearstar's transmissions are specifically engineered to meet or exceed original performance specifications, often tailored to handle significantly increased horsepower and torque loads. Their expertise in various transmission models (e.g., GM 4L60E, 4L80E, 700R4, Ford AOD, E4OD, Mopar NAG1) and their ability to customize stall speeds and shift characteristics of torque converters are also key features. Lastly, their industry-leading 3-year/36,000-mile warranty on their re-manufactured transmissions against failure due to workmanship and/or parts used in the process underscores their confidence in their products' reliability and performance. This comprehensive warranty, coupled with their technical support, provides significant peace of mind for their customers.

Regarding promotional information, Gearstar Performance Transmissions, given its specialized and high-end product, often focuses on demonstrating the quality and performance of its builds rather than broad discount campaigns. Their primary "promotion" is the inherent quality and reliability of their products, which often leads to strong word-of-mouth referrals and repeat business from satisfied customers. They frequently showcase customer testimonials and high-performance vehicle builds featuring their transmissions on their website and social media channels. While specific short-term sales or discount codes are less common than with general auto parts retailers, customers might find occasional deals or free shipping offers on specific models, often through their direct sales channels or authorized distributors like Summit Racing. They also highlight the value of their long-term warranty as a significant benefit, emphasizing the investment in a durable, high-performing product. The company's participation in the performance automotive community and endorsements from well-known builders or racers also serve as powerful promotional tools. Their commitment to using top-tier components and extensive testing is inherently a promotional point, appealing to a customer base that prioritizes quality and longevity over initial low cost. For local users or those interested in their products, visiting their website or contacting their sales team directly would be the best way to inquire about current offerings or specific build requirements, as their focus is on providing a tailored, premium solution for performance enthusiasts.

Gearstar Performance Transmissions Location

Gearstar Performance Transmissions Customer Reviews

Best Transmission company bar none!!! I am the type of person who likes to spend my money with the local community, but this time I went out state and I am glad I did. I spoke with Ryan who took the time to design the best transmission specification for my project. He also took the time to talk to me about my project overall, current and future plans to make sure I would get the full benefit of the transmission for many years. Bottom line, Great company, Great product, Great Service, Great Choice!!!

Apr 09, 2025 · Anthony Longo

I bought a Transmission from Gearstar . I have to say you are not getting a POS TCI Transmission, you are getting a very well built Transmission. This Transmission was worth every penny . Man the shifts from this 2004R is amazing!!! I like how they take time with you asking important questions to get the Transmission built to your needs. I recommend these guys . You will not be let down at all. We shall see how she does at Alaska Raceway Park very soon .

Apr 29, 2025 · Michael Roxbury

This is a great company to purchase a performance transmission from. I purchased a 4L65e stage 4 for my 1979 Camaro. I had a few questions and Ryan was there every step of the way from purchase to after installation! Since this was my first time dealing with an electronic transmission he pointed me in the right direction with the correct transmission control unit. After installation Ryan was still there to help me fine tune torque converter lock up and shift firmness. This company will return calls and answers the phone. I love it!! Oh and the transmission came packaged perfect without issues.

Sep 03, 2024 · Joshua Stewart

I contacted Gearstar about getting a new 4l80 stage III for my LS3 C10, they told me they were 6 weeks out but Ryan asked me how soon I needed it. Told him I would really like it in 2-3 weeks if possible, well 3 weeks later my new transmission was delivered. By far the best transmission I have ever had, perfect shift points and unbelievably smooth. Thank you Gearstar I will be getting another one soon for my next project.

Feb 21, 2025 · Scott S

Bought a engine and transmission from Blue print engines for a 1965 Mustang resto mod. It came with a Gearstar transmission. I ran into a couple areas of opportunities in the install and final tuning. Ryan Steele at Gearstar was awesome in helping me figure out what the issue was. The transmission is better than I ever expected!

May 09, 2025 · Duwayne Schroeder