KMC KM724 IMPACT OL 5x127/6x120 Black Wheels

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Installed by Road Runner Wheels & Tires — family-owned in Marietta since 2010. Questions? Call (678) 400-6467.

About This Wheel

Pick one up and the first thing you notice is how solid the casting feels — no flex, no thin spots around the spokes. The Impact OL runs a multi-spoke face with a slight outward relief that gives the wheel depth without going overboard on complexity. At 17 inches it sits proportionally well under factory fenders and mild lifts alike. The Black finish absorbs direct light rather than bouncing it around, which keeps the wheel from competing with bodywork — it anchors the look instead. That quality pairs naturally with white, silver, charcoal, and darker body colors across trucks and full-size SUVs. The 6x120 bolt pattern targets GM full-size platforms specifically, and the 0mm offset keeps the face flush with the fender line rather than tucking it inward.

Specifications

Diameter x Width	17" x 8.5"
Bolt Pattern	6x120
Offset	ET+0mm
Backspacing	4.75"
Hub Bore	66.90mm
Load Rating	2500 lbs
Construction	Cast
Material	Aluminum alloy
Finish	BLACK
Manufacturer Part Number	KM72478577700US

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678-400-6467 · Marietta, GA · Hablamos Español

Fitment

This wheel runs the 6x120 bolt pattern, which covers a range of half-ton trucks and SUVs depending on hub bore and offset. ET+0mm offset is typical for stock-height fitments; leveled and lifted trucks may want different offset/backspacing combinations to clear larger tires. A hub-centric ring is recommended when the wheel hub bore is larger than the vehicle hub.

About the BLACK Finish

KMC has been producing truck and off-road wheels since the late 1990s, and their casting quality control is consistent enough that we stock them with confidence. The Impact OL line sits in their value-to-performance range — not their flagship, but built to the same dimensional tolerances. If you want a dependable cast wheel without paying for a name you're just going to mud up anyway, KMC makes sense.

About KMC

KMC produces wheels distributed nationally through trusted vendor channels. Catalogs are stocked, MAP-pricing is enforced, and warranty coverage is honored at the manufacturer level.

Installing at Road Runner Wheels & Tires

Mount and balance is same-day in most cases in our shop. We program TPMS sensors on-site and pair wheels with matching tires when needed. Same shop handles lift kits, suspension work, and full builds.

Questions We Get

Will this fit my truck?

The KM724 Impact OL in this configuration runs a 6x120 bolt pattern, which is specific to GM full-size trucks and SUVs — think Silverado, Sierra, and Yukon in certain model years. Always cross-reference your hub bore and check your trim level before ordering, since not every 6x120 application shares the same hub center diameter.

Do lug nuts come included?

No, lug nuts are sold separately. At 0mm offset the seat angle and thread pitch still need to match your specific vehicle's requirements, so we prefer you pick the correct hardware intentionally rather than assume a generic set will work.

Fitment specs: the KMC KM724 IMPACT OL comes in 6x120 bolt pattern, ET+0 offset, 4.75" backspacing, 66.90mm hub bore, a 2500 lbs load rating.

Looking for wheels, rims & tires near you in the Atlanta metro? We mount + balance same day at our Marietta tire shop — 1585 Roswell Rd. Serving Marietta, Atlanta, Cobb County, Kennesaw, Smyrna, Sandy Springs, Roswell, Alpharetta, Buckhead + Vinings.

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