We specialize in building specific engine swap kits to your budget and project's needs! One of the most popular kits we offer is the LM7 5.3L truck engine that makes an ultra-reliable 285HP and 325LB-FT. You can order it to your project's specifications right here: https://lsswap.parts/product/lm7-5-3l-swap-kit/ | MARS Auto Parts & Engine Swaps

Our friends at Late Model Performance -LMP truly wanted to see how far they could take a Stock 5.3 Block and answered a lot of questions about what our Stage 2-GM 243 CNC Service can truly do with a Hydraulic Roller/Stock Rocker combination. Here are the results. How much power can you make on a stock 5.3 block to the tire? 1,300 How fast can it go at 3,200 lbs? 4.70’s From what we’ve been told, this is just the surface, and there’s much more to come! | Frankenstein Engine Dynamics LLC

What's the best way to add fuel economy and performance to your LB7 or LLY? Just add another gear! With the 5-6 Speed Conversion Kit including TCM tuning its easier than you think! Not only will you benefit from the reduction in cruising RPM by utilizing a higher gear. You'll also gain all the great benefits of our Custom TCM Tuning which can help increase power to the wheels and significantly improves shift timing and feel. Don't wait Check out the 5-6 Speed Conversion Kit Today: https://hubs.l