St. Louis Performance Driveline Components

Precision-Built Gearsets & Driveshafts Engineered for Gateway City Racers

Situated just a short drive from the Gateway Arch along I-44, PEM Racing brings over 25 years of Midwest engineering excellence straight to St. Louis’s automotive enthusiasts and professional teams. We specialize in high-performance driveline components—including custom drive shafts, precision-fit gearsets, quick-change rear ends, and complete 9″ Ford housings—designed to withstand the brutal stresses of circle-track, drag-strip, and off-road competition. Whether you’re navigating the tight turns of Forest Park’s nearby streets or launching down the quarter-mile at Gateway Motorsports Park, our race-ready parts deliver the strength, reliability, and speed you need. Backed by REM microfinishing, cryogenic treatments, and on-site fabrication at our Saint Clair, MO plant, PEM Racing is your local partner for turnkey drivetrain solutions built to your exact specs

Client Success Stories or Testimonials

Scott Carline

Amazing driveshaft shop with strong supply of Spicer, Neapco, and custom 9" Ford housings and applications.

Terry Davis

A+ Service and Amazing People always recommend them for quality made driveshafts and more!

Marcus Steph Anderson

Great customer service, 2 day turn around for a new driveshaft, they were great to work with!

Service Area Coverage

Precision Gear Solutions

Fully REM-finished ring & pinion gear sets, optimized for minimal friction and maximum life span on both circle track and drag applications.

Custom Driveshaft Fabrication

Bespoke, balanced drive shafts built on state-of-the-art CNC equipment at our Saint Clair facility—engineered to your length, spline count, and U-joint spec.

Quick-Change Rear End Assemblies

Modular, no-guesswork platforms with interchangeable gear ratios; perfect for shifting from dirt late model to asphalt street stock in minutes.

Complete 9″ Ford Rear End Kits

Ready-to-bolt housings, hubs, spools, and bearings—delivered with factory-licensed housings and full installation hardware.

High-Performance Brake Kits

Rear disc brake conversion kits to tame the torque of modern V-8s and turbocharged platforms alike.

Off-Road Driveline Accessories

Heavy-duty axles, flange kits, and reinforced yokes to keep Jeep and truck builds moving through Missouri’s backcountry.

REM Finishing & Cryogenic Treatments

Microfinishing, cryogenic hardening, and bearing spacer services that extend component life under extreme loads.

Pro-Grade Tools & Accessories

Bearing installation presses, alignment fixtures, and specialty lube kits to streamline your shop’s build process.

Why Choose PEM Racing

Here’s what St. Louis racers love:

Midwest-Based Expertise
Locally manufactured just an hour southwest of downtown St. Louis, we understand Midwest tracks, climate, and racing culture.
Precision Engineering
Every component is CNC-machined and REM-microfinished to deliver exacting tolerances and unmatched durability.
Rapid Turnaround
On-site fabrication and regional shipping mean you’re back on track faster—no coast-to-coast delays.
Tailored Solutions
From muscle-car street rods on The Hill to pro-mod dragsters at Gateway, we customize gear ratios and driveshaft specs to match your build.
Proven Performance
Trusted by collegiate teams, dirt-track champions, and 4x4 clubs alike—our parts rack up wins across Missouri’s motorsports scene.
Dedicated Support
Friendly, technical guidance from racers and engineers who speak your language—and know the roads from Soulard to Clayton.

Ready to boost your drivetrain’s performance?

Contact PEM Racing today at Call (636) 629-6200 or email, and let’s engineer your next competitive edge right here in the heart of the Midwest.