Replacement Rotor Rings & Bolts (Pair)
Suits: HFM.Parts two-piece rotors: 280mm MX-5, 324mm R33 / R34 GTR, 326mm Subaru & 86 / BRZ, 354mm 370Z, 354mm R33 GTR
Worn rotor rings? Keep your aluminium hats. This kit gets you new rings and a fresh set of hat bolts in one order.
- Front rotor rings, sold as a pair (no hats)
- Matching hat bolt kit included
- Add 350mm 370Z rear rings in the same order
- Hat bolts torque to 13–15 ft-lb
What it’s for
Our two-piece rotors let you keep the aluminium hat when the ring wears out. This kit bundles a pair of replacement rings with a new set of hat bolts, so you have everything for the swap in one order.
What’s in the kit
- Replacement front rotor rings (pair, no hats), in the size you choose
- A hat bolt kit to suit: the M8 x 1.25mm shoulder bolt kit (22 pieces) or the M6 x 1.0mm socket head cap bolt kit (20 pieces)
- Optional for 354mm 370Z: 350mm 370Z rear rotor rings (pair), with a shoulder bolt kit included
Which version do I need?
Choose the ring size that matches the rotors you originally bought. If you bought a HFM.Parts brake kit, every item’s SKU is listed on your invoice.
| Ring size | Original rotors | Bolt kit included |
|---|---|---|
| 280mm Mazda MX-5 | 280mm two-piece front rotors for MX-5 (MX2804422) | M8 x 1.25mm shoulder bolt kit |
| 324mm R33 GTR, R34 GTR | 324mm front rotors for R33 and R34 GTR (HFM-NISS-BRK-00017) | Choose to match your hats |
| 326mm Subaru (V1 hat, superseded) | Original SKU HFM-TOYO-0002 | Choose to match your hats |
| 326mm Subaru (current) | Original SKU 2P3265220R | M8 x 1.25mm shoulder bolt kit |
| 354mm 370Z | 354mm front two-piece rotors for 370Z (Z3544932) | M8 x 1.25mm shoulder bolt kit |
| 354mm R33 GTR | 354mm front two-piece rotors for R33 GTR (GTR3545330) | M8 x 1.25mm shoulder bolt kit |
Older hats use M6 x 1.0mm socket head cap bolts and newer hats use M8 x 1.25mm shoulder bolts. They aren’t interchangeable, so check your hats before choosing where the kit asks.
Specifications
| Position | Front, plus optional 350mm 370Z rear rings |
|---|---|
| Sold as | Pair of rotor rings (no hats) with a hat bolt kit |
| Front ring sizes | 280mm, 324mm, 326mm, 354mm |
| Bolt kits | M8 x 1.25mm shoulder bolt kit (22 pieces) or M6 x 1.0mm socket head cap bolt kit (20 pieces), to match your hats |
| Hat bolt torque | 13–15 ft-lb |
| Requires | Matching HFM.Parts aluminium hats from a full two-piece rotor set |
Fitting
Fit the new rings to your existing hats with the bolts supplied and torque the hat bolts to 13–15 ft-lb. Then fit the rotors as you would any two-piece rotor.
We recommend installation by a licensed mechanic.
Pairs with
- Replacement front rotor rings (no hats), sold on their own
- Shoulder bolt kit (spare set)
- Socket head cap bolt kit (spare set, older M6 x 1.0mm hats)
What's Included
-
2× Front two-piece rotor ring (no hat), your size
-
1× Hat bolt kit to suit your hats
Customer Installs
Installs of this part — and similar parts in this category.
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.
Pairs with
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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
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