ARP Harmonic Balancer Bolt – Part #208‑2501
Precision Fastener for Honda/Acura B-Series Engines
Ensure your harmonic damper stays securely torqued to spec with this high-strength ARP harmonic balancer bolt, specifically engineered for Honda/Acura B-series engines including B16A, B18C (GSR/LS), and Si/Integra builds. Made from proven 8740 chrome-moly alloy and finished with a sleek black oxide coating, this bolt offers exceptional clamping strength and long-lasting reliability.
🔧 Key Features:
🛠 Fits Honda B-Series Engines: Compatible with B16A, B18C1/C5, and B18B blocks in Si, GSR, Integra, and Civic applications
🧪 Material: Premium heat-treated 8740 chromoly steel
🧠 Finish: Black oxide to resist corrosion and deliver a refined look
📏 Precision Performance: CNC-machined shank and head with tight tolerances for concentricity
🔒 Superior Clamp Load: Designed to prevent harmonic damper lift, loosening, or thread wear
🔁 Reliable & Reusable: Rated for high-vibration environments and repeatable torque adherence
✅ Why ARP?
Elite performance-grade fasteners trusted by engine builders
Thread-rolled after heat treatment for maximum fatigue resistance
Precision-ground for accurate alignment and sealing
Enhances durability under high RPM, high-boost, and race setups
🛠 Installation & Compatibility Notes:
OEM-style replacement – retains factory torque specs
Recommended for use with stock or aftermarket dampers—verify damper bore size before install
Replace OEM hardware during rebuilds or when installing a new balancer
