Harmonic Balancer Bolt GM LS1 LS2 LS3 12 Point Head, 1-1/16" Thread

GM GEN 3 LS Harmonic Balancer Bolt — 12-Point Head, 1-1/16" Thread

Engineered for GM LS engines, this harmonic balancer bolt is the go-to fastener for LS1, LS2, and LS3 applications. The 12-point head provides solid socket engagement, minimizing slip during installation and service while you rotate the engine.

• Material: aircraft-quality 8740 chromoly steel for exceptional tensile strength.
• Manufacturing: cold-forged to maximize molecular integrity and ensure a uniform, robust core.
• Strength: rated up to 190,000 psi, outperforming typical Grade 8 and OEM fasteners.
• Head design: high hex/12-point head to reduce socket slipping when turning the engine over.
• Thread: 1-1/16" thread size compatible with GM GEN 3 LS1/LS2/LS3 combos.
• Included: extra-thick ground washer for more accurate, uniform torque application.
• Compatibility note: will not suit LS7 engines.

Choose this Aeroflow harmonic balancer bolt to ensure durable performance through assembly and routine maintenance, delivering dependable seating and torque consistency for LS1, LS2, and LS3 builds.