KMC KM447 Impact Forged Monoblock Wheel

The Impact Forged Monoblock uses the same multi-spoke design as the Impact OL and Impact Forged Beadlock, in 6061-T6 forged aluminum. It comes in 17x8.5 and 18x9 for 6-lug and 8-lug trucks. KMC ships the 6-lug version with a billet snap-in cap and the 8-lug version with a bolt-on plastic cap.

What you get

• Construction: monoblock forged (KMC Off-Road, Performance line).
• Bead Retention System: machined grooves in the bead seat help hold the tire bead at low pressure without a true beadlock.
• Load rating: 2500 to 4000 lbs per wheel, depending on size.
• Weight: 25.1 to 30.4 lbs each, depending on size.
• Center bore: varies by bolt pattern, 87.10 to 125.10 mm.

Sizes and fitment

• Sizes: 17x8.5, 18x9.
• Bolt patterns: 6x135, 6x139.7, 8x165.1, 8x170, 8x180.
• Offsets: -12mm, -10mm, 0mm, +18mm.
• Finishes: Metallic Blue, Raw Machined, Satin Black.

Pick your wheel

• Finish: pick the color. The photo changes with the finish.
• Size and Bolt Pattern: diameter x width, then the bolt pattern. Match the bolt pattern to your hubs exactly.
• Offset: more negative pushes the wheel out toward the fender, more positive tucks it in. Each offset is a different part number.

Each wheel is sold individually. Not sure which bolt pattern or offset fits your rig? Send us your year, make and model and we will point you to the right part number.