Built from decades of racing experience—Jerry Apodaca Sr's legacy, refined by Jerry Apodaca Jr with modern technology—to deliver reliable, competitive-edge performance.
Engine Rebuilds & Performance Builds
Big & Small Engine Dyno
In-house Diagnostics & Race Prep
Precision Machine Work & Fabrication
Genuine parts, factory-backed expertise, and certified service for all Briggs-powered racing applications.
Unleashed Power Racing Engines was born from the passion and aspiration of Jerry Apodaca Sr. Starting in the racing industry decades ago, Jerry Sr dedicated his life to mastering every technique to unleash every ounce of power from engines.
He passed that knowledge to Jerry Apodaca Jr, who combines old-school expertise with modern technology to build race engines that help drivers gain a competitive edge and take their racing to the next level.
From grassroots karting to professional racing—we're here to help you win.
From diesel rebuilds to race-winning power plants—we handle every aspect of engine building and optimization.
Using our knowledge and tools, we rebuild your engine to get optimal power. Our dyno feedback confirms real performance improvements.
We have both a big engine and small engine dyno to fit your exact needs. Get verified horsepower and torque data.
Race prep for 4, 6, or 8 cylinder race engines. Every component optimized for maximum performance and reliability on race day.
Our comprehensive services include precision machining, milling, custom fabrication, and professional welding. With advanced technology and expert craftsmanship, we create precisely engineered parts and assemblies—bespoke components, complex fabrications, and durable welded constructions tailored to your needs.
Whether you're chasing reliability, throttle response, or race-winning power, we'll build to your class and rules.
Every engine is optimized for your specific racing class, delivering the performance edge you need to win.
Performance verification backed by precision data—know exactly what your engine is producing.
Accurate horsepower, torque, and RPM measurements you can trust
Expert analysis on what's working and what needs attention
Real-time tuning and optimization based on dyno results
Discuss your goals & requirements
Baseline testing & analysis
Precision assembly & fabrication
Final dyno & quality check
Ongoing trackside assistance
From the shop floor to the winner's circle — see the builds, the races, and the results.
Our comprehensive services include precision machining, milling, custom fabrication, and professional welding. With advanced technology and expert craftsmanship, we create precisely engineered parts and assemblies—bespoke components, complex fabrications, and durable welded constructions tailored to your needs.
Tight tolerances for race-critical components
One-off parts designed for your specific needs
Strong, reliable welds for demanding applications
Complete assembly services for complex builds
For racing and diesel applications
Elevation and weather change everything. Call us during races if you're having tuning issues—we'll help you get it running perfect.
Real-time tuning help during race day
Compensation for altitude changes
Temperature & humidity corrections
Whether you need a diesel rebuild, race engine, or dyno service—reach out and let's discuss your project.
Ready to discuss your build? Pick up the phone—we're here to answer your questions and get your project moving.
4500 Dry Creek Rd. Unit 4 & 5
Sacramento, CA 95838