Competitor Documents and information
2025 Calendar
We also have social events exclusively for competitors.
R50 & R53 Championship Regulations 2025
MRC Technical and Sporting Query Form
BC Racing Measurement Guide
Appointed Supplier Price List
Questmead
Mintex 1166 (front) pads - £183 +VAT
Mintex 1144 (rear) pads - £73 +VAT
Paddle clutch - £96 +VAT
Pro Tyre
Toyo R888r - £86.54 +VAT
Toyo Proxes Tr1 - £36+VAT
Falken Z310 - £36 +VAT
Championship regulation parts
BC Suspension kits and parts
​BC directly at tom@bcracing.co.uk request the Mini Rally Challenge "Rally Special" kit. Spec sheets for individual part measurements downloadable above.
CS Motorsport and Spark Development also supply BC equipment.
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Direnza top mounted intercooler
Direct from direnza www.direnza.co.uk
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17% pulley and belt
KAVS R53 17% reduction pully. Belt part number 6PK843 (air-con delete) 6PK1360 (with aircon) can be sourced from most motorsport / automotive suppliers.
Spark plugs
NGK BCR8ES Also from most motor factors.
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R53 and R50 6 speed LSD
Blackline Geared helical LSD part number HLF015. Can be sourced from Lohen or Rally Design.
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R50 5 speed Midland Diff
Quaif ATB LSD part number QDF9H/MG to be sourced directly from Quaif.
Or black line helical LSD part number HLF051 can be sourced from Rally Design or Matt Lewis racing.
Both LSD's for the 5 speed require light modification before fitment.
Quoting your MRC membership number
Championship Regulation suppliers
