This speaker upgrade kit consist of two 6.5" speakers; two midrange tuning modules and speaker grills for Roadglide; Streetglide and Tourpacks.Highlights:Manufactured with industrial grade materials optimized for harsh environmentsGlass fiber reinforced ABS frame for impact absorption and thermal stabilityImpermeable polypropylene cone is mechanically rugged and heat resistantMidrange Notch Filter included for OE pod installationCo-molded low-density santoprene surround chemically bonded coneTitanium dome tweeter resists corrosion with high strength-to-density ratioLow Mass Neodymium earth element magnets for maximum output1.25" oxygen free copper voice coil on thermally absorbent aluminum former1" titanium wide dispersion high output hemispherical dome tweeter2-Ohm for stock replacementIntegrated 6dB high-pass crossover protects tweeter from harmful frequencies92dB (1w/1m) SPL efficiency / 60-22kHz frequency response75w RMS power rating / mounting depth: 2.00"