ARP 1/4-20 x 3.250 12pt Chromoly Bolts

ARP 1/4-20 x 3.250 12pt Chromoly Bolts ARP 1/4-20 x 3.250 12-point chromoly bolts deliver race-proven strength and precision for demanding engine, transmission, and driveline applications. Engineered from high-grade chromoly steel and finished with black oxide, these bolts provide reliable clamping, excellent fatigue resistance, and enhanced corrosion protection for long service life. Size: 1/4-20 thread, 3.250" length Head type: 12-point design for maximum wrench engagement and higher torque capacity Material: Chromoly steel offering superior tensile strength and durability Finish: Black oxide for corrosion resistance and reduced surface glare Typical applications: Engine brackets, accessory mounts, transmission and driveline components, performance assemblies Manufactured to ARP's stringent quality standards, each bolt features consistent thread form and uniform preload characteristics to minimize loosening under vibration and thermal cycling. Ideal for professional builders, performance shops, and serious enthusiasts who require repeatable, factory-level reliability. Installation tips: Follow OEM torque specifications, use recommended thread lubricant or sealant, and inspect hardware for thread or finish damage before reuse. Replace bolts if any signs of wear or deformation are present.