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£62.30 £59.20 inc VAT

Motamec Brake Bias Proportioning Bias Valve

£41.50 £39.43 inc VAT

Out of stock

M10x1 Female to M10x1 Female Inverted Flare Brass Union

£5.80 £5.51 inc VAT

20 in stock

1/8 NPT Male to M10x1 Female Inverted Flare Brass Adapter × 2

£7.50 £7.13 inc VAT / pc.

42 in stock

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The Adjustable Brake Proportioning Bias Valve Kit allows you to adjust the brake bias on your Mazda MX-5 NA or NB. The non-ABS MX-5 proportioning valves are heavily biased towards the front brakes, meaning they lock up prematurely whilst the rears are doing little work. The stock bias valves were adjusted for the later models. However, on track, it is still easy to lock up the front wheels under heavy braking. So over-worked are the front brakes that in race series where bias valves are not permitted, racers will opt to use a more aggressive compound on the rear brakes than on the front.

We have had brake line adapters made especially for us. These allow any adjustable brake bias proportioning valve with 1/8NPT ports to be fitting to your Mazda MX-5. With a brake bias valve fitted, the brake balance can be adjusted so that the rear brakes are worked as hard as the front. Brake balance can be finely tuned for different tyre compounds and weather conditions, ensuring braking performance is always maximised.

Does not fit cars with ABS

Contents

  • Motamec brake bias valve with 1/8NPT ports
  • 1 x M10x1 inverted flare female to M10x1 inverted flare female brass union
  • 2 x M10x1 inverted flare female to 1/8NPT male brass adapter

Motamec Brake Bias Proportioning Bias Valve

Brand

Motamec

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Make Model Year
Mazda MX-5 1989 - 2005