The Earls Performance Harmonic Balancer Bolts are high-grade components that efficiently prevent socket slippage during valve adjustments. Thanks to a premium 4135 chromoly steel structure, these bolts ensure unfaltering durability and efficiency in handling up to 180,000 psi. Their tall 12-point bolt head prevents stripping or socket slippage when rotating the engine to a degree in a cam.

The Earls Performance Harmonic Balancer Bolts come with a thickened large-diameter washer that ensures smooth and uniform torque. Both the bolts and washers feature a black oxide-coated finish for superior corrosion resistance. With different sizes and configurations available, Earls Performance guarantees that these bolts precisely fit a variety of applications.

Established in 1955, Earl's Performance is best known for their premium-quality aerospace-inspired plumbing components. The company began as a small retail outlet providing military aircraft surplus plumbing components to the racing industry. When the military surplus market dried up, Earl consistently reinvented itself to ensure that the racing market always had a go-to for aftermarket plumbing upgrades. Today, the brand is best known for its precision-engineered hoses, hose ends, fittings, adapters, brake lines, fuel system parts, cooling system parts, and many more.

As part of the prestigious Holley group, Earl's Performance remains an industry leader that sets the bar high when it comes to refined vehicle plumbing solutions. The company accommodates the needs of modern times by collaborating with various motorsport teams in the F1, F3, A1GP, Superleague Formula, FIA GT, Indy, Touring Car, Superbike, and many others. Whether you need supplies for a comprehensive vehicle plumbing project or just a single washer or bolt, Earl's broad selection of plumbing solutions guarantees the ideal purchase.