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 4x108 -19 72.62 89-8121S 2200 0 Polished
521-5461P 15x4 5x120.65 -19 83 89-8121S 1650 0 Polished
521-5465P 15x4 5x114.3 -19 83 89-8121S 1600 0 Polished
521-5734P 15x7 4x108 20 72.62 89-8121S 1600 0 Polished
521-5761P 15x7 5x120.65 0 83 89-8121S 1600 0 Polished
521-5765P 15x7 5x114.3 0 83 89-8121S 1600 0 Polished
521-5773P 15x7 5x127 0 83 89-8121S 1600 0 Polished
521-5833P 15x8 4x108 27 72.62 89-8121S 1600 0 Polished
521-5834P 15x8 4x108 0 72.62 89-8121S 1600 0 Polished
521-5861P 15x8 5x120.65 0 83 89-8121S 1600 0 Polished
521-5862P 15x8 5x120.65 27 83 89-8121S 1600 0 Polished
521-5865P 15x8 5x114.3 0 83 89-8121S 1600 0 Polished
521-5866P 15x8 5x114.3 27 83 89-8121S 1900 0 Polished
521-5873P 15x8 5x127 -12 83 89-8121S 1900 0 Polished
521-5161P 15x10 5x120.65 -25 83 89-8121S 2200 0 Polished
521-5162P 15x10 5x120.65 0 83 89-8059S 1650 0 Polished
521-5165P 15x10 5x114.3 -25 83 89-8059S 2200 0 Polished
521-5166P 15x10 5x114.3 0 83 89-8121S 2200 0 Polished
521-5173P 15x10 5x127 -44 83 89-8121S 1650 0 Polished

Fitment Lookup