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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This FIR [Factory Image Racing] fork seal-only kit (Part No. 57-004.FIR) is a direct OEM replacement designed for 43mm fork tubes, including GCB and Showa upside-down models from 2020. Engineered to meet or exceed OEM quality standards, the seals ensure reliable performance under increased power loads. Each product is factory tested to guarantee 100% reliability at the point of sale and is suitable for a wide range of Honda and Suzuki models.
Features
Direct OEM replacement for 43mm fork tubes
Meets or exceeds OEM quality standards
Factory tested for 100% reliability
Designed to handle increased power loads
High-quality FIR Racing replacement part
Sold under satisfaction guarantee
Please check image for correct fitment before ordering
Specifications
Dimensions: 43x54x9.5/10
Part number: 57-004.FIR
Cross-Reference OEM Part Numbers
51490ML3305
51490-ML3-305 G.NI HONDA
All Balls 55-121
MX-08039
P40FORK455055
15-5072
Vehicle Fitments
Honda
CR125R 1992–1993
CR250R 1992–1994
CR500R 1992–1994
Suzuki
GSX-R750 1988–1990
Fork Tube Compatibility
GCB 43mm Fork Tubes 2020
Showa 43mm Upside Down Fork Tubes 2020