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Adjustable forged torsion-key leveling kit delivering about 2" of front lift for the 2020-2021 GM HD.
Engineered for the redesigned 2020 GM HD torsion-bar suspension, the 66-3020 uses ReadyLIFT's forged torsion keys with platform-specific indexing. Included differential drop spacers correct CV axle angles and driveline geometry, and skid plate spacers retain the factory skid plate.
Fits: 2020-2021 Chevrolet Silverado and GMC Sierra 2500/3500 HD, including AT4. Works with factory torsion keys OE #84461807 or #84634344.
Allows for 35x12.50 on 20x9 +18 or 0 offset. Trimming may be required with some tire styles on 20x9 0 offset with 35x12.50 or 325/60R20. Some fender-well variance may occur between Silverado and Sierra.
Requires ReadyLIFT torsion key unloading tool 66-7822B (or similar) for installation.
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717