Precision Performance Products



Absolutely the best automatic transmission shifters available for racing or street use. KWIK SHIFT shifters are the lightest, most compact, narrowest, most versatile and durable shifters available on the market at the race track or on the street.

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Winters Sidewinder Standard Automatic Shifters

The durable, jam-proof design of Winters Sidewinder standard automatic shifters enables you to slam gears–while the fail-safe gate layout makes it impossible to accidentally shift into reverse. The units are available in standard forward or reverse shift patterns and include linkage hardware and 5 ft. shifter cable. Winters shifters are ready to install on various GM, Ford, and Chrysler models equipped with automatic transmissions.

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Winters Sidewinder Standard Shifter

Tips for Choosing Performance Automatic Transmission Coolers


Spring has sprung in the northern hemisphere, and temperatures are rising.

While that’s mostly good, higher temps do force us to think about our vehicles’ cooling needs, to preserve the good health of auto parts prone to high-heat damage, and to maximize performance.

In today’s video, the crew at Performance Automatic — a manufacturer of high performance transmissions, torque converters and other components — is going to teach you about how to choose a transmission fluid cooler that’s right for your application, and provide tips for things to be thinking about during installation.

Learn about Performance Automatic’s 5-row transcooler, its popular 9-row transcooler, and its top-of-the-line 15-row cooler with built-in electric fan.

Watch the video here:

Trans-Brake Tell-All: What a Trans-Brake Does & How to Use It

Before the advent of the trans-brake, racers using automatic transmissions were at the mercy of the foot brakes installed in their respective cars. The stick shift guys had a big advantage, because they just had to engage the line lock (Roll Control) to leave consistently at an engine rpm where the car worked the best.

Then the transmission brake came along.

This then-revolutionary device allowed an automatic transmission car to consistently leave the line at a reasonably high rpm and consequently be “on the converter.” It also fixed the issue we all faced with brakes that couldn’t hold a car when staging. In short, the trans-brake evened the playing field between stick and automatic racers and truly changed drag racing forever.

When the trans-brake came out, there were a couple of different formats: the electric internal brake and the external CO2 setup. The pages of NHRA’s National DRAGSTER were sometimes filled with “trans-brake war” ads – manufacturers claiming their trans-brake was more consistent, more reliable, and had a quicker, faster release. While there were no clear winners at the time, you’d be hard pressed to find a CO2 brake. The electrically operated brake is the norm.  Read More