If you’re using the SPI system for your project, understanding how SPI Epoxy Primer and SPI 2K primers work together will help you avoid corrosion issues, shrinkage problems, and unnecessary rework. These products are designed to perform different jobs. • SPI Epoxy Primer is for adhesion and corrosion protection • SPI 2K primers are for build and surface straightening They are not interchangeable. Most full restorations use both. All Three Products Are Designed to Work Togeth

If you’ve ever spent a long night waiting for primer to cure, you’ll understand why the Southern Polyurethanes Turbo 2K Primer has...

Use Coupon Code CLEAR15 at checkout for 15% off your SPI order. At Bigelow Products, we’re proud to offer high-performance Southern Polyurethanes (SPI) clears trusted by pros, body shops, and restoration experts alike. Whether you're restoring a showpiece or turning around a same-day repair, knowing which clear to use is key. Here’s a side-by-side breakdown of SPI’s top clears: Universal Clear, Euro Clear, Speed Clear, and Production Clear. Universal Clear Best for: Show cars

At Bigelow Products we are proud to be a distributor of Southern Polyurethanes (SPI) products. We carry everything from SPI Universal...