ULTRA ULTRA
521 Octane Polished - 5 Lug

  • DETAILS

    The 521 Octane Classic Muscle Wheel from Ultra Motorsports. Available in Polished Finish. Sizes are 15x4, 15x7, 15x8, 15x10. For Over 30 years, Ultra Wheel Company has been the Leader in producing the most precise, durable and unique wheels in the Industry. Championship Caliber Wheels. Race Tested….Championship Proven.

Available in Sizes: 15x4, 15x7, 15x8, 15x10

Technical Specifications

Part Number Size BP 1 BP 2 Offset Bore Cap Load Weight Finish
521-5434P 15x4 4x4.25 -19 72.62 89-8059S 1600 16 Polished
521-5461P 15x4 5x4.75 -19 83 89-8121S 1600 16 Polished
521-5465P 15x4 5x4.5 -19 83 89-8121S 1600 16 Polished
521-5734P 15x7 4x4.25 20 72.62 89-8059S 2100 20 Polished
521-5761P 15x7 5x4.75 0 83 89-8121S 2100 20 Polished
521-5765P 15x7 5x4.5 0 83 89-8121S 2100 20 Polished
521-5773P 15x7 5x5.0 0 83 89-8121S 2100 20 Polished
521-5861P 15x8 5x4.75 0 83 89-8121S 2100 21 Polished
521-5862P 15x8 5x4.75 27 83 89-8121S 2100 21 Polished
521-5865P 15x8 5x4.5 0 83 89-8121S 2100 21 Polished
521-5866P 15x8 5x4.5 27 83 89-8121S 2100 21 Polished
521-5873P 15x8 5x5.0 -12 83 89-8121S 2100 21 Polished
521-5161P 15x10 5x4.75 -25 83 89-8121S 1900 22 Polished
521-5162P 15x10 5x4.75 0 83 89-8121S 2100 22 Polished
521-5165P 15x10 5x4.5 -25 83 89-8121S 1900 22 Polished
521-5166P 15x10 5x4.5 0 83 89-8121S 2100 22 Polished
521-5173P 15x10 5x5.0 -44 83 89-8121S 1900 22 Polished

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