Callies - LS Apex 4340 Forged Crank 4.000 Stroke

Introducing the Callies LS Apex 4340 Forged Crank with a 4.000-inch stroke, designed for high performance and reliability in GM LS-Series engines. This crankshaft belongs to the renowned Apex Series, known for its robust 4340 forged steel construction, ensuring maximum durability and performance. With an internal balance and a 58X reluctor, it suits both racing enthusiasts and engine builders seeking optimal performance. The single-piece seal provides superior sealing capabilities, enhancing engine efficiency and longevity. Whether you're rebuilding or upgrading, this crankshaft is engineered to meet the demanding specifications of modern engine builds.