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BM57 Brake Master Grub Screw (M10 x 1.0mm)

Suits: HFM.Parts BM57 brake master cylinder, RHD and LHD (Nissan Skyline, Silvia, 180SX, 240SX and 300ZX Z32)

A spare tapered grub screw to block the unused brake port on ABS cars. Made for the HFM.Parts BM57.

  • M10 x 1.0mm thread with a 45° taper
  • Blocks the middle port or the rear port closest to the booster
  • Suits RHD and LHD BM57 brake master cylinders
  • A spare for the one supplied with every BM57

$3.95 AUD

In Stock · Ships Monday

Extras

Overview

What it’s for

On ABS cars, one of the BM57’s brake ports needs to be blocked. This tapered grub screw does that job. Every BM57 comes with one, so this is your spare if it gets lost or you’re setting up a second car.

Will it fit?

It suits the HFM.Parts BM57, RHD and LHD. Non-ABS cars don’t need a port blocked.

Specifications

Suits HFM.Parts BM57 brake master cylinder (RHD and LHD)
Thread M10 x 1.0mm
Seat 45° taper
Use Blocks one brake port on ABS cars

Fitting

Fit the grub screw into either the middle port or the rear port closest to the booster. The two ports are the same, split in two.

After bleeding, check the blocked port for leaks before driving. Our BM57 install guide has the full steps.

We recommend installation by a licensed mechanic.

Pairs with

Free AU shipping over $250
In-stock orders dispatched within 24 hours from Melbourne.
Lifetime warranty
Cylinder body covered for life for the original purchaser. No time limit, no argument.
30-day returns
Faulty part? Free return, full refund. Changed your mind? Full store credit, no fees deducted.
Ships worldwide
International shipping available to most countries. Rates calculated at checkout.
In the box

What's Included

  • 1× Tapered grub screw, M10 x 1.0mm (45° taper)
Community

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Product Information

Will it fit your car?

Find your car in the list below and add it to your garage. Every part page then checks it for you.

Fits 11 vehicles across 4 models
Nissan 180SX1
RPS13
Nissan 180SX SR20 SR20DE · SR20DET · 1991–1998
1991–1998
Nissan 300ZX1
Z32
Nissan 300ZX Z32 VG30DE · VG30DETT · 1989–2000
1989–2000
Nissan Silvia3
S13, PS13
Nissan Silvia/240SX S13 SR20DE · SR20DET · KA24E · KA24DE · 1988–1994
1988–1994
S14
Nissan Silvia/200SX/240SX S14 SR20DE · SR20DET · KA24DE · 1993–2000
1993–2000
S15
Nissan Silvia/200SX S15 SR20DE · SR20DET · 1999–2002
1999–2002
Nissan Skyline6
BNR32
Nissan Skyline R32 GTR RB26DETT · 1989–1994
1989–1994
HCR32
Nissan Skyline R32 GTS-T RB20DET · 1989–1993
1989–1993
ECR33
Nissan Skyline R33 GTS-T RB25DET · 1993–1998
1993–1998
BCNR33
Nissan Skyline R33 GTR RB26DETT · 1995–1998
1995–1998
ER34
Nissan Skyline R34 GTT RB25DET NEO · 1998–2001
1998–2001
ER34, HR34
Nissan Skyline R34 GT RB25DE · RB20DE · 1998–2001
1998–2001
We have only confirmed fitment for the vehicles mentioned under compatibility. If your vehicle is not listed, then we don't know if it fits.
Either the middle port or the rear port closest to the booster. The two ports are the same, split in two.
No. Only ABS cars need a port blocked.
Yes. Every BM57 includes a tapered grub screw. This is a spare if yours goes missing.
Yes. It suits both the BM57 RHD and BM57 LHD.

Our Story

We weren't always HFM.Parts; we were Holford Motors. Our brand's identity was forged not in an office, but on the local circuits in the high-stress world of competitive drifting. Our ultimate testbed was our Nissan S14 Drift car, driven by champion Luke Fink. Pushing that car to its limits exposed a crucial truth: achieving genuine, repeatable performance meant relying on components that simply weren't available affordably on the market.

The HFM.Parts brand was born

We made the commitment to design and manufacture the uncompromising, high-quality performance parts that we, as competitive racers, demanded ourselves. Every component you see is a solution conceived, tested, and proven by us. When you choose HFM.Parts, you are investing in components engineered by racers, for racers, ensuring your vehicle delivers its maximum performance potential.

From Our Customers

Be the first to review this product. Here's what other customers have been saying about our range:

  1. Barry Callanan ✓ Verified
    Sep 22, 2026
    Fits ok.
  2. Sam
    Feb 24, 2025
    Fit perfectly on my S13, with just a little bit of trimming of the knuckle and caliper. Used a set of Infiniti Q60/Q70 rear calipers, exactly the same as 370Z and more readily available. Any of the Akebono calipers with 4101 casting number should work.
  3. Lachlan Reed
    Oct 6, 2024
    Bought this conversion kit for my RWD Stagea running 32GTR sumitomo callipers, everything fit perfectly and as it should, very happy with the quality of the items received.
  4. Tom ✓ Verified
    Aug 12, 2024
    I recently upgraded my Nissan S15 with these brake rotors and caliper adapters, and I am thoroughly impressed with their products and service. The materials used are high-quality, and the fitment and precision of their product was perfect! Originally I just wanted to enhance the aesthetics of the car with bigger brake rotors! But after the install of their front and rear rotor upgrade kits along with fresh brake pads, I noticed a significant improvement in braking power moving from old worn disks to theirs, not to mention better an overall driving experience. The installation instructions provided were clear and easy to follow. Even if you're not a seasoned mechanic like me, you should be able to install these with minimal hassle using their installation video’s! They are great value for money, I highly recommend HFM part’s to anyone looking to upgrade their braking system for better looks and performance!
  5. Blake
    Mar 6, 2024
    This master cylinder did exactly what they said. Direct bolt on. And just works. We tested it in our Endurance v35 and had performed spot on. If your looking for an upgrade for your 25mm master I highly recommend this for a firmer pedal feel.
  6. Blake Morgan ✓ Verified
    Dec 21, 2023
    We are currently running the 2 piece brake discs on our endurance race car and they are doing a great job. The weight saving, cooling, reduced replacement cost and the look are all great points as to us returning for more. The team at HFM are knowledgeable on there product and are commited to working through the intricacies of racing with us. GREAT JOB!!

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HFM.Parts M10 x 1.0mm Tapered Grub Screw for BM57 Brake Master Cylinder ABS Port (Nissan Skyline, Silvia, 180SX, 240SX & 300ZX Z32)
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Modifying vehicles is a specialist task and requires the knowledge and experience of competent individuals to be conducted safely.
We recommend this product be installed by a competent person. Instructions are given with every order where available, however, If you would like a copy prior to ordering, you're welcome to contact us