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Flow Formed 15-Inch Fitment for 4x100 Platforms — Konig Hyperspec HP95100356 in 15x9 4x100 ET35
The Konig Hyperspec HP95100356 brings the Hyperspec flow formed construction and knurled bead seat technology to a 15x9 fitment in the 4x100 bolt pattern with an ET35 offset, finished in anthracite metallic with a mirror machined lip. The HP95100356 is engineered for classic compact sport platforms Honda Civic EG and EK, Mazda Miata NA and NB, Volkswagen Golf Mk3 and Mk4 where a wide 9-inch wheel in a 15-inch diameter provides an aggressive stance without sacrificing the period-correct wheel size these builds demand. Flow forming strengthens the barrel grain structure under heat and pressure, making the HP95100356 noticeably lighter and stronger than a comparable cast 15x9. The knurled bead seat reduces the risk of tire slip on the rim during hard cornering or track events. Each HP95100356 ships individually with a matching center cap and is rated to 1,213 lbs load capacity.
The 73.1mm center bore is wider than most 4x100 vehicle hubs, so hub-centric rings are strongly recommended. TPMS sensors are compatible where the vehicle is equipped. The HP95100356 meets SAE J2530 and JWL wheel standards.
Fitment
The HP95100356 fits vehicles with a 4x100 bolt pattern. Due to the 9-inch width and ET35 offset, verify fender and suspension clearance before ordering. Compatible platforms include:
| Year | Make | Model | Notes |
|---|---|---|---|
| 1992 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1993 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1994 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1995 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1996 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1997 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1998 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1999 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 2000 | Honda | Civic | 4x100 — verify fender clearance for 9 inch width |
| 1990 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1991 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1992 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1993 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1994 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1995 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1996 | Mazda | Miata | 4x100 (NA) — verify fender clearance for 9 inch width |
| 1997 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 1998 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 1999 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2000 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2001 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2002 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2003 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2004 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 2005 | Mazda | Miata | 4x100 (NB) — verify fender clearance for 9 inch width |
| 1993 | Volkswagen | Golf | 4x100 (Mk3) — verify clearance |
| 1994 | Volkswagen | Golf | 4x100 (Mk3) — verify clearance |
| 1995 | Volkswagen | Golf | 4x100 (Mk3) — verify clearance |
| 1996 | Volkswagen | Golf | 4x100 (Mk3) — verify clearance |
| 1997 | Volkswagen | Golf | 4x100 (Mk3) — verify clearance |
| 1999 | Volkswagen | Golf | 4x100 (Mk4) — verify clearance |
| 2000 | Volkswagen | Golf | 4x100 (Mk4) — verify clearance |
| 2001 | Volkswagen | Golf | 4x100 (Mk4) — verify clearance |
| 2002 | Volkswagen | Golf | 4x100 (Mk4) — verify clearance |
| 2003 | Volkswagen | Golf | 4x100 (Mk4) — verify clearance |
Specifications
| Spec | Detail |
|---|---|
| Part Number (MPN) | HP95100356 |
| UPC | Verify at time of order |
| Brand | Konig |
| Series | Hyperspec |
| Diameter | 15 in |
| Width | 9 in |
| Bolt Pattern | 4x100 |
| Offset (ET) | +35mm |
| Center Bore | 73.1mm |
| Finish | Anthracite Metallic / Mirror Machined Lip |
| Construction | Flow formed aluminum |
| Bead Seat | Knurled (textured) for tire grip |
| Load Rating | 1,213 lbs |
| Standards | SAE J2530, JWL |
| Lug Seat | 60-degree conical (acorn) |
| TPMS Compatible | Yes |
| Sold As | Single wheel |
What's Included
- 1x Konig Hyperspec HP95100356 wheel (15x9 4x100 ET35 Anthracite Metallic w/ Mirror Machined Lip)
- 1x Matching center cap
Frequently Asked Questions
Is the Konig Hyperspec HP95100356 a good choice for a Mazda Miata track build?
Yes. The HP95100356 is one of the strongest 15-inch options in the 4x100 market. Flow formed construction, a knurled bead seat, and JWL/SAE J2530 certification make it an excellent choice for Miata track days and autocross events. The 15x9 size is extremely popular in Miata competition classes.
What tire sizes work on the Konig Hyperspec HP95100356 (15x9)?
A 15x9 wheel accepts tires from approximately 215 to 245 wide. Track-oriented Miata fitments often run 225/45R15 or 245/40R15 on a 15x9.
What is a knurled bead seat and why does it matter on the HP95100356?
The knurled bead seat is a textured surface machined into the inner barrel of the HP95100356 that creates micro-grip between the tire bead and the wheel. This significantly reduces the risk of tire slip at high lateral loads — important for autocross, track days, and canyon driving.
What lug nuts are needed for the Konig Hyperspec HP95100356?
60-degree conical seat (acorn) lug nuts in the thread pitch for your vehicle. Honda and Toyota 4x100 platforms use M12x1.5. Volkswagen uses M14x1.5. Factory OEM lug nuts are not compatible.
Do I need hub-centric rings for the Konig Hyperspec HP95100356?
Yes. The HP95100356 has a 73.1mm center bore. Most 4x100 vehicles have a much smaller hub bore (Honda Civic: 56.1mm, Mazda Miata: 54.1mm). Hub-centric rings are critical for vibration-free operation.
What is the warranty on the Konig Hyperspec HP95100356?
Konig provides a lifetime structural warranty and a 1-year finish warranty to the original purchaser on the HP95100356, covering defects in materials and workmanship under normal use.
Does the HP95100356 meet any safety certifications?
Yes. The HP95100356 meets SAE J2530 and JWL (Japan Light Alloy Wheel) standards for structural integrity and load capacity. This is important for track use and insurance verification in some club racing events.
Is the Konig Hyperspec HP95100356 TPMS compatible?
Yes. The HP95100356 supports factory-style TPMS sensors where your vehicle is equipped. Many vintage 4x100 platforms do not use TPMS, but the HP95100356 accepts sensors if required.
Installation Notes
Hub-centric rings are strongly required for all 4x100 vehicles due to the 73.1mm bore. A 15x9 wheel on a compact platform requires careful verification of fender, suspension, and inner fender clearance at full lock and compression before driving. Torque lug nuts to the vehicle manufacturer's specification in a star pattern. Re-torque after the first 25 to 50 miles. Do not use an impact wrench for final torque on the HP95100356.
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