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Other features include a flush mount
This construction ensures superior strength
along with optimized winding
Speedmaster offers these pushrod length checkers as easy and economical tools to lay out and determine proper pushrod length for proper valvetrain geometry
Chevy GM LS 5.670" 25% Underdrive Harmonic Balancer Damper SFI 18.1 Other features include a flushSpeedmaster Harmonic dampers feature a bonding process which adheres the elastomer to the i. d. of the inertia ring and the o. d. of the hub, utilizing a strong adhesive along with an improved elastomer to create a much stronger bond. The inertia ring rotates harmonically with the engine and absorbs the torsion vibration from the rotating assembly at any frequency and RPM. It extends the life of crankshaft and bearing which allows the engine to
