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2003 Honda Pro Drag Civic Si Concept Wheels & Rims: Bolt Pattern, Offset & Sizes
Fitting Honda Pro Drag Civic Si Concept wheels? This page gives the 2003 Honda Pro Drag Civic Si Concept bolt pattern, centre bore, factory rim size and the offset range for aftermarket and forged Honda Pro Drag Civic Si Concept rims: the same spec sheet ANKUSI uses when machining forged wheels for this car.
Quick answer: The 2003 Honda Pro Drag Civic Si Concept uses a Purpose-built racing hub bolt pattern and M12x1.5 lug nuts.
Forged wheels for the 2003 Honda Pro Drag Civic Si Concept — drilled Purpose-built racing hub, built to the offset you choose. From $220 per wheel, made to order in about 25 days.
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Honda Pro Drag Civic Si Concept (2003): F 15x4.0J / R 15x10.0J on a purpose-built racing hub. Competition/one-off vehicle -- no aftermarket data published.
Bolt PatternPurpose-built racing hub
Wheel Bolt/NutM12x1.5 Nut
Wheel Load Rating650–750 kg/wheel (Standard Passenger Car segment reference)
Year2003
Data check: the bolt pattern and center bore on this page have not yet been confirmed by a second independent source. Measure your hub or ask us before ordering. How we verify
Built to order by ANKUSI — IATF 16949 & ISO 9001 certified forged wheel manufacturer, TÜV/SFI/VIA compliant. See our factory & certifications →
Forged wheels for the Honda Pro Drag Civic Si ConceptMachined to the factory bolt pattern · 14–24 inch · offset calculated for your car · 3D drawing before production
How to Read Wheel Offset & Measurements
Use these two references before ordering: the left diagram shows where each spec (PCD, center bore, offset, width and diameter) is measured on the wheel; the right diagram shows how positive, zero and negative offset shift the wheel face relative to the hub centerline.
ANKUSI Engineering Expert Advice
On a homologated racing or prototype hub, there's no aftermarket offset range to reference — there's no enthusiast community running this exact hub pattern, because every wheel on a build like this is application-specific. Forging still matters here, arguably more than on a road car: less rotational mass translates directly into faster acceleration, shorter braking distances and quicker direction changes, without touching the homologated hub geometry the racing series or one-off build already specifies.
The Honda Pro Drag Civic Si Concept runs F 15x4.0J / R 15x10.0J on a purpose-built racing hub, not a standard retail bolt pattern. ANKUSI's motorsport program forges to this exact homologated specification rather than offering generic Flush or Maximum Aggressive references, which would be meaningless on a hub this specialized — contact us with your series or application's exact hub requirements.
Honda Pro Drag Civic Si Concept Wheel & Hub Specs
The 2003 Honda Pro Drag Civic Si Concept (Concept Car) runs F 15x4.0J / R 15x10.0J on a purpose-built racing hub. These are the factory or homologated racing specifications, not a standard retail bolt pattern.
Why We Don't Publish Generic Aftermarket Fitment for This Vehicle
The Honda Pro Drag Civic Si Concept is a competition, prototype, vintage or one-off commissioned vehicle. Unlike a mass-produced road car, there is no generic enthusiast community publishing "Flush" or "Maximum Aggressive" offset ranges for it, and its hub is homologated to a specific racing application. Publishing invented offset numbers for a car like this would be misleading, so we don't.
Custom & Motorsport Wheel Program
ANKUSI forges wheels to exact motorsport specifications -- centerlock, beadlock, homologation-compliant, restoration-correct, or one-off replica builds. Contact ANKUSI with your exact hub pattern, offset and application and we will confirm whether we can build for it.
Custom Forged Wheels for the Honda Pro Drag Civic Si Concept (2003)
Everything above is reference data. If you want wheels actually built to it, that is what ANKUSI does: we are a forged wheel factory in Guangzhou, China, IATF 16949 and ISO 9001 certified, forging on our own 10,000-ton press and producing over 120,000 wheels a year. Forging blank, CNC machining, finishing, coating and inspection all happen in the same building — nothing is subcontracted and nothing is relabelled from another manufacturer.
Every set is cut to order. Diameter, width, offset, concavity, monoblock or multi-piece construction and the finish are all yours to choose.
We do not hold this pattern wheels on a shelf — they are forged to order, which is why any offset, width and bore combination on this page is buildable rather than limited to a stock list.
Frequently Asked Questions
Does the Honda Pro Drag Civic Si Concept use a standard bolt pattern?
No. It uses a purpose-built racing hub, not a retail lug-bolt pattern, so off-the-shelf aftermarket road wheels do not apply.
Can ANKUSI build wheels for a Honda Pro Drag Civic Si Concept?
Yes, on a custom-quote basis for restoration, motorsport or replica applications. Contact us with your exact specifications.
Why isn't there a Flush/Max fitment guide for this car?
Flush and Maximum Aggressive figures on our other pages come from verified enthusiast community data for mass-produced road cars. No such generic data exists for this vehicle, so we don't fabricate it.
Sources and Last Update
Data checked against: avtoreference.com.
This record is part of the open ANKUSI Wheel Fitment Dataset (DOI 10.5281/zenodo.23241521, CC BY 4.0).
Compiled by the ANKUSI Wheels engineering team, an IATF 16949 and ISO 9001 certified forged wheel factory in Guangzhou.
Forged Wheel Designs for the Honda Pro Drag Civic Si Concept
Every design below is forged to order, so it can be machined to the Honda Pro Drag Civic Si Concept's bolt pattern, with the width and offset calculated for your setup.
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Bolt pattern and center bore on this page come from published fitment references and are still awaiting a second independent check. Last reviewed 2026-09-18. Spotted an error? Email info@ankusi.com and we will verify and correct it.