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

Budget 500+ HP LM7 Vortec Engine Beast Build

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