Best 6 Stud Wheel Spacers for Truck and SUV Applications
For many drivers, upgrading wheel spacing improves stability, tire clearance, and the aggressive stance that turns heads. This guide highlights five top 6×5.5 or 6-lug wheel spacers that fit a broad range of GM trucks, SUVs, and select Toyota models. Each option is forged, hub-centric, and engineered to minimize vibration while maximizing track width. Read on to compare fitments, materials, and installation considerations to help you choose a safe, durable spacer kit.
Summary of Selected Products
| Product | Brand | Bolt Pattern | Center Bore | Thickness | Material | Notes |
|---|---|---|---|---|---|---|
| KSP 6X139.7 Wheel Spacers | KSP PERFORMANCE | 6×139.7 mm (6×5.5) | 78.1 mm | 1.5″ (38 mm) | 6061-T6 forged aluminum | Real forged spacers, includes thread locker, 78.1 mm hub bore |
| Dynofit 6×5.5 to 6×5.5 Spacer Set | dynofit | 6×5.5 (6×139.7 mm) | 108 mm | 2″ (50.8 mm) | 6061-T6 aluminum, forged | Set of 4, high-strength bolts |
| SCITOO 2 Pcs Wheel Spacers | SCITOO | 6×5.5 (6×139.7 mm) | 108 mm | 2″ (50.8 mm) | 6061-T6 aluminum | Pairs only, 6×139.7 to 6×139.7 |
| Dynofit 1.5 Inch Wheel Spacers | dynofit | 6×5.5 (6×139.7 mm) | 78.1 mm | 1.5″ (38 mm) | 6061-T6 forged aluminum | Hub-centric, 4 pieces, 14×1.5 studs |
| GDSMOTU 6×5.5 Wheel Spacers | GDSMOTU | 6×5.5 (6×139.7 mm) | 108 mm | 2″ (50.8 mm) | 6061-T6 forged aluminum | Complete kit, 14×1.5 studs, high-load bolts |
KSP 6X139.7 Wheel Spacers for Silverado and More
The KSP 6×139.7 forged spacers are designed for a wide GM lineup, including Silverado, Tahoe, and Sierra. They are machined from 6061-T6 aircraft aluminum for strength and durability, with a black anodized finish to resist corrosion. Key features include precise CNC machining, a 78.1 mm hub bore, and ISO/DIN grade studs. A thread locker is included to secure fasteners during installation. Recommended torque is 85-95 ft-lbs, which supports stable high-speed performance with reduced risk of loosening.
Dynofit 6×5.5 to 6×5.5 Forged Spacers (2 inch)
Dynofit’s 2-inch spacer set converts 6×5.5 to the same bolt pattern, expanding track width for a more aggressive stance. Made from lightweight 6061-T6 aluminum, these spacers are forged rather than cast, offering enhanced durability. The set includes high-hardness bolts and is CNC machined for precise fitment. Hub bore measures 108 mm, and the kit uses M14x1.5 studs. Suitable for a broad range of GM trucks and several Ram and other models, it’s important to verify the exact year and trim for compatibility.
SCITOO Wheel Spacers (2 Pairs)
SCITOO offers a practical spacer kit designed to widen stance while maintaining proper hub alignment. These 2-inch spacers are compatible with a wide range of 6×5.5 bolt patterns, including Silverado, Sierra, Tahoe, and Express models. The kit emphasizes track width increase, improved cornering, and stability, with a note that it is not intended for wheels with less backspacing than factory. Each spacer maintains the stock bolt pattern and provides a balanced, centered fit to minimize vibration at speed.
Dynofit 1.5 Inch Wheel Spacers (4 Pieces)
This Dynofit kit provides 1.5-inch spacers with a hub bore of 78.1 mm and M14x1.5 studs. Forged from 6061-T6 aluminum, the spacers are designed for strength and durability, with heat-treated 10.9-grade bolts for high-load performance. The kit emphasizes hub-centric mounting to reduce vibration and ensure a secure fit. Ideal for drivers seeking a moderate increase in track width without significant alteration to steering feel.
GDSMOTU 6×5.5 Wheel Spacers (2 Inches)
GDSMOTU provides a complete 2-inch spacer kit in a 6×5.5 configuration, featuring a 108 mm center bore and 14×1.5 studs. The spacers are forged from 6061-T6 aluminum, with ISO 10.9-grade bolts designed for high-load situations. The kit covers a broad spectrum of GM trucks and SUVs, including Silverado, Sierra, Tahoe, Yukon, and Suburban variants. The hub-centered design aims to improve stability and reduce vibrations at highway speeds. Proper torque and thread-locking compound are recommended for secure installation.
Buying Guide
Key considerations help ensure you choose spacers that are safe, effective, and compatible with your vehicle and wheels.
- Vehicle compatibility: Confirm bolt pattern (6×5.5 or 6×139.7 mm), hub bore, and vehicle year range. Some spacers use 78.1 mm center bores, while others use larger 108 mm bores; mismatch can cause hub contact or vibration.
- Material and construction: Forged 6061-T6 aluminum spacers are generally stronger and lighter than cast alternatives. Look for black anodized finishes for corrosion resistance and a precise CNC finish for proper fitment.
- Stability and safety: Hub-centric spacers reduce vibrations by aligning with the hub’s center bore. Ensure the kit includes high-quality studs/bolts (often 10.9 grade) and thread-locking compounds, and follow torque specs closely (commonly 72–95 ft-lbs depending on kit).
- Wheel compatibility: Verify that your wheels can accommodate the spacers without clearance issues and that you maintain sufficient thread engagement with lug nuts. Some setups require extended lugs or special lug nuts.
- Track width and aesthetics: The spacer thickness affects track width and offset. A 1.5″ changes the stance more dramatically than 1.5 cm. Factor in tire clearance and fender gaps for your driving style and local regulations.
- Installation and maintenance: Use manufacturer-recommended torque, apply thread locker where specified, and periodically inspect spacers for wear or corrosion. Avoid mixing spacers of different thicknesses on the same axle unless the kit specifies compatibility.
- Warranty and quality assurance: Choose kits from reputable brands with clear fitment data, forged construction, and traceable bolt grades. Check for customer reviews noting vibration, noise, and long-term durability.
- Legal considerations: Some jurisdictions limit track width increases due to safety or emission standards. Ensure compliance with local vehicle codes and insurance requirements.
In summary, when selecting 6-stud spacers, prioritize forged aluminum, hub-centric design, correct hub bore, and high-grade fasteners. The five products highlighted here cover a broad array of GM trucks and SUVs, plus select Toyota/Lexus applications, providing options across 1.5 to 2 inches of spacer thickness. Always verify fitment for your exact year, trim, and wheel configuration before installation.