Aftermarket LS Blocks

CNC-Motorsports offers the best selection in 415-495 cubic inch LS short blocks. Our short blocks are in high demand among racers of all types worldwide. We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Scat, JE, Diamond, Mahle and Manley just to name a few. All our short blocks are 100% machined, CNC Machined and blue-printed to our proven race wining specs. Custom builds available upon request..