Box Stroker Engines
Transforming Factory Blocks into High Horsepower Engines.
More CUBES more Power.
At Box Performance, we’ve earned a reputation for building radical stroker engines that combine reliable street drivability with strip-ready performance. With decades of experience, we have mastered the process of transforming factory blocks into high-horsepower performance engines that deliver serious results without breaking the bank. Our custom stroker engine builds start with your 4-bolt main stock block and are engineered to become big-inch powerhouses tailored to your application.
Popular stroker combinations include:
- A Chevy 350 small block transformed into a 383 stroker
- The same 350 SBC stroked to 410 or 414 cubic inches
- A 400 small block Chevy stretched into 427, 434, or 440
- A 454 low-deck big block Chevy built into a 505, 525, or 535
- A tall-deck GM 427 block stroked to a 565
- A 400 Pontiac stroked to 468 or 495
- A Pontiac 455 block built into a 501
- A 383 Chrysler block taken out to 500 cubic inches
- A Chrysler 440 block stroked to 588
- A Ford 289 or 302 Mustang block built up to 354
- A 351 Windsor stroked to 420 or 434 cubic inches
- A factory Ford 429 or 460 block stretched to 557
- A Buick 455 block transformed into a 535 cubic inch beast
We also offer AMC stroker engine builds, and if you’re starting with an aftermarket block, we can spec out and build a wide range of displacement options to meet your performance goals. Whether you’re chasing torque for the street or horsepower for the drag strip, every stroker engine we build is tailored for your exact needs and application
Chevy Stroker 383 Engines
Looking for big torque in a small block package? Our 383 stroker engines are custom-built to deliver serious power, reliability, and street performance. Whether you’re upgrading from a 350 or starting fresh with a Chevy 383 stroker build, we tailor every engine to your goals—street cruiser, full strip setup or somewhere in between. We offer upgrades that cover every application even boosted. If you’re after more cubic inches without going big block, a 383 stroker is the perfect balance of power, response, and drivability. We offer complete performance engine rebuilds and stroker packages for Chevy small blocks that hit hard and idle mean.
Stroker Engine FAQs
Q: How much horsepower can a 383 stroker make?
A: Depending on the build, a 383 N/A stroker can make anywhere from 350 to over 500 horsepower. We tailor each build to your power goals and intended use.
Q: What's the best camshaft for a street 383 stroker?
A: A moderate hydraulic roller cam is ideal for a 383 street/strip setup, balancing low-end torque with strong top-end power.
Q: Is a 383 stroker better than a 350 for street driving?
A: Yes — a 383 stroker offers more torque and horsepower than a 350, making it an excellent upgrade for street-driven muscle cars.