The FPE-LSR-FMJ-SD10X is a premium aluminum Gen V LS Standard Deck Race Block designed for high-performance applications. Engineered with precision and built for durability, this race block delivers unmatched strength and compatibility with OEM LS accessories. Whether you're upgrading for competitive racing or seeking peak performance, the FPE-LSR-FMJ-SD10X ensures reliability and excellence in every detail. Proudly made in the USA, it's a perfect choice for serious enthusiasts and professionals alike.