Fuller Hotrods P250 Hotrod's Crank Pins ASTM 4115 Case-Hardened Steel

The Fuller Hotrods P250 Crank Pins are precision-machined replacement crank pins engineered for high-performance and custom hotrod engine applications. Manufactured to exacting tolerances, these crank pins are a direct-fit replacement designed to meet or exceed original equipment manufacturer (OEM) specifications for fit, function, and durability.

Key Features:

• Premium ASTM 4115 Steel Construction: Forged from hot-rolled ASTM 4115 chromoly steel for exceptional strength and fatigue resistance under high-stress engine conditions
• Case-Hardened Surface: Case-hardening process creates a tough, wear-resistant outer layer while maintaining a ductile core — ideal for the cyclic loading demands of a crankshaft assembly
• OEM-Quality Fit: Meets or exceeds OEM specifications, ensuring proper fitment and reliable performance without modification
• Brand New Aftermarket Unit: Sold as a brand-new component — not remanufactured or refurbished
• Precision Machined: Tight dimensional tolerances support smooth crankshaft rotation and reduced bearing wear

Fuller Hotrods is a trusted name in the powersports and custom engine building community, known for producing rugged, performance-grade internal engine components. The P250 crank pins are an excellent choice for engine builders seeking a reliable, high-quality replacement or upgrade over worn OEM pins.