Fabtech K1055 Lift Kits
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Fabtech 11-19 GM C/K2500HD/3500HD 4in Ultimate System w/Perf. Shocks
Elevate your driving experience with the Fabtech 4-inch Ultimate System, specifically designed for 2011-2019 GM C/K2500HD and 3500HD trucks. This system provides an ideal balance of performance and comfort, making it perfect for street driving and light off-road adventures.
Key Features:
- Factory Front Coil Springs: Utilizes your truck's existing front coil springs along with a sturdy steel upper spacer to achieve 4 inches of lift.
- Radius Arm Drop Brackets: Retain factory arms and maintain correct caster settings for improved ride quality with the increased height.
- Trac Bar Relocation Bracket: Designed to center the axle under the vehicle without replacing the factory Pitman Arm, ensuring cost-effective and efficient installation.
- Rear Lift Solution: Achieved through lift blocks and extended length u-bolts for consistent performance.
- Tire Compatibility: Capable of accommodating up to 35-inch tall tires, with some minor trimming of the inner fenderwell required for optimal clearance.
Installation Details:
When installing this system, please note:
- Compatible tire sizes include:
- 33/12.50R18 on 18x9 wheels with 5 3/4" backspacing (minor trimming required)
- 33/12.50R20 on 20x9 wheels with 5 3/4" backspacing (minor trimming required)
- 35/13.50R18 on 18x9 wheels with 5 3/4" backspacing (fenderwell cutting required)
- 35/13.50R20 on 20x9 wheels with 5 3/4" backspacing (fenderwell cutting required)
- Does not fit Standard Cab models.
- 17-inch wheels are not compatible.
- Cutting of fenderwell sheet metal is necessary for use with 35-inch tires.
Upgrade your GM C/K2500HD or 3500HD with the Fabtech 4-inch Ultimate System today and experience enhanced performance and capability on every drive!
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

