KSP 6x5.5 Wheel Spacers 2in 6x139.7mm Lug Centric Spacer - Aggressive

In this review of the KSP 6x5.5 wheel spacers, the bottom line is simple: these 2in adapters are for owners who need extra clearance or a wider track for larger tires and a more aggressive stance. The reviewer found they offer solid build quality thanks to forged 6061-T6 aluminum and hardened 10.9 grade bolts, and they solve brake caliper and tire rubbing issues on compatible Chevy, GMC and select Ram trucks. If you want a wheel spacer that prioritizes strength and fit, this review explains where these adapters excel and where buyers should take care.

Key Features

• Universal fitment: Fits a wide range of Chevy, GMC and select Ram models from late 1980s through 2024, making it easy to match to many trucks and SUVs.
• Material strength: Forged 6061-T6 aluminum construction provides stronger material integrity than typical cast adapters and helps resist cracking under load.
• Secure fasteners: Heat treated, hardened 10.9 grade geomet bolts with SGS testing and included thread locker reduce the risk of loosening and vibration.
• Black anodized finish: Anodized surface increases corrosion resistance and keeps the adapters looking clean under road exposure.
• 2in offset: Moves wheels 2in outward to allow larger tires, correct caliper clearance and improve cornering stability and stance.

Who It's For

This product is aimed at owners of Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade and compatible Express or Savana vans who need a reliable wheel spacer for tire clearance or aesthetic widening. It is especially useful for people installing larger tires or addressing brake caliper rubbing who want a forged-aluminum adapter and hardened bolts.

Those who should look elsewhere include drivers with vehicles not listed in the compatibility range or anyone unwilling to verify hub bore and bolt pattern before purchase; also buyers sensitive to any high-speed vibration should test fit carefully, as some users reported mixed vibration feedback at certain speeds.

Pros & Cons

Pros

• Forged 6061-T6 aluminum offers strong, durable construction for heavy-duty use.
• Precision-machined fit and hardened 10.9 grade bolts improve reliability and reduce looseness.
• Black anodized finish provides corrosion resistance and a clean appearance.

Cons

• Some buyers reported receiving incorrect sizes, so careful verification of fitment and inspection on arrival is necessary.
• A few users experienced vibration at higher speeds, so checking torque and hub centering during installation is important.

Specifications

Bolt Pattern	6x5.5 in (6x139.7mm)
Hub Bore	108mm
Thickness	2in (50mm)
Stud/Nut Thread Pitch	M14x1.5
Recommended Torque	85-95 ft/lbs
Quantity	4 PCS

Our Verdict

The KSP 6x5.5 2in wheel spacers are a strong, value-oriented option for truck and SUV owners who need clearance or a wider track; their forged 6061-T6 construction and hardened bolts make them a dependable upgrade when fitment is confirmed. Buyers should double-check vehicle compatibility and inspect for proper centering and torque to avoid potential vibration.

Frequently Asked Questions

Will these fit my Silverado 1500?
They are designed to fit Silverado 1500 models listed in the compatibility range; verify year, bolt pattern and 108mm hub bore before purchasing.

Do the spacers include hardware?
Yes, the set includes hardened 10.9 grade bolts with thread locker for fastening and uses M14x1.5 threads.

Will they cause vibration?
Most installs are vibration-free when properly torqued and centered, but a few users reported vibration at 50-75 mph, so check hub centering and torque after installation.