BDS 6-Inch Lift Kit | FOX 2.5 Performance Elite Coil-Overs | Cast Steel Knuckles | Leaf Springs | Silverado/Sierra 1500 4WD 2014-2018

BDS 6-Inch Lift Kit | FOX 2.5 Performance Elite Coil-Overs | Cast Steel Knuckles | Leaf Springs | Chevy Silverado / GMC Sierra 1500 4WD 2014–2018 | Cast Steel Control Arms | SKU: BDS717PES

The BDS 6-Inch Lift Kit (SKU: BDS717PES) is a complete front and rear lift system for 2014–2018 Chevy Silverado 1500 and GMC Sierra 1500 4WD models equipped with cast steel control arms, featuring FOX 2.5 Performance Elite coil-overs, cast steel knuckles, and replacement rear leaf springs. This is the premium-tier 6-inch kit for cast steel control arm models — FOX 2.5 Performance Elite coil-overs and a rear leaf spring replacement system vs. the FOX 2.0 coil-over and 5-inch rear block configuration of BDS710PSS-BLDV. This kit does not fit aluminum or stamped steel control arm models — order BDS711PES for aluminum or stamped steel control arms.

Verified Fitment (OFAS Standard)

• Chevy Silverado 1500 4WD: 2014–2018 — cast steel control arms only
• GMC Sierra 1500 4WD: 2014–2018 — cast steel control arms only

Does NOT fit: Silverado/Sierra 1500 with aluminum control arms — order BDS711PES. Does not fit Silverado/Sierra 1500 with stamped steel control arms — order BDS711PES. Does not fit 2WD/RWD models. Does not fit Silverado/Sierra 1500 2019 or newer — different platform. Does not fit Silverado/Sierra 1500 2013 or earlier. Does not fit Silverado/Sierra 2500HD or 3500HD. Confirm model year, drivetrain, and control arm type before ordering.

Critical Fitment Gate — Control Arm Type

The 2014–2018 Silverado/Sierra 1500 was produced with three different front control arm materials. This kit fits cast steel control arm models only.

• Cast steel control arms — fits (BDS717PES, this listing): 6-inch lift, FOX 2.5 PE coil-overs, cast steel knuckles, replacement leaf springs rear
• Aluminum control arms — does NOT fit — order BDS711PES (6-inch, FOX 2.5 PE coil-overs, 5-inch rear block)
• Stamped steel control arms — does NOT fit — order BDS711PES (6-inch, FOX 2.5 PE coil-overs, 5-inch rear block)

If you are unsure which control arm type your Silverado/Sierra 1500 has, contact OFAS at 903-347-3875 before ordering.

BDS K2 Silverado/Sierra 1500 6-Inch Cast Steel Kit Guide

• Cast Steel — FOX 2.5 PE — Leaf Springs Rear (BDS717PES, this listing): Premium shock tier, replacement rear leaf springs — rear system upgrade vs. block lift
• Cast Steel — FOX 2.0 — 5-Inch Rear Block (BDS710PSS-BLDV): Standard shock tier, 5-inch rear axle block, high-clearance crossmembers

Contact OFAS at 903-347-3875 to confirm which cast steel kit is correct for your application.

One Critical Fitment Gate

• 4WD only: The 2014–2018 Silverado/Sierra 1500 is available in both 4WD and 2WD/RWD. This kit is for 4WD models only.

Front and Rear Lift System

• Front — 6-inch coil-over lift: FOX 2.5 Performance Elite coil-overs with cast steel knuckles — engineered for cast steel control arm geometry at 6-inch lift height
• Rear — Replacement leaf springs: Replacement rear leaf springs matched to the 2014–2018 Silverado/Sierra 1500 platform — maintains rear load capacity and proper stance at lifted height

FOX 2.5 Performance Elite Coil-Overs

• 2.5-inch body: Greater oil volume and heat capacity vs. FOX 2.0
• External reservoir: Increased total oil volume for consistent damping during sustained off-road use and towing
• Advanced valving: Precise, consistent damping across a wider range of speeds and terrain inputs
• FOX warranty: 1-year limited warranty

What’s Included

• FOX 2.5 Performance Elite coil-overs — pair (front)
• Cast steel knuckles
• Replacement rear leaf springs
• All required hardware and installation hardware

Technical Specifications

• SKU: BDS717PES
• Brand: BDS Suspension
• Front Lift Height: 6 inches — FOX 2.5 PE coil-overs with cast steel knuckles
• Rear System: Replacement leaf springs
• Control Arm Compatibility: Cast steel only — not aluminum or stamped steel
• Application: Chevy Silverado 1500 and GMC Sierra 1500 4WD 2014–2018
• Warranty: BDS No-Fine-Print Warranty + FOX 1-year limited warranty on coil-overs

Installation Notes

• Professional installation required: 6-inch lift with knuckle replacement and leaf spring replacement requires professional installation by a qualified suspension shop.
• Alignment mandatory: Full front-end alignment required after installation. Do not drive on public roads before alignment is completed.
• Control arm type confirmation mandatory: Confirm cast steel control arms before installation. Do not install on aluminum or stamped steel control arms.
• Leaf spring break-in: Allow replacement leaf springs to settle per BDS recommendations before aggressive off-road use.
• External reservoir routing: Follow BDS and FOX installation instructions for reservoir placement to avoid pinch points and heat sources.
• Torque specs: All fasteners must be torqued to BDS specifications per installation instructions.
• Tire sizing: Contact OFAS at 903-347-3875 to confirm maximum tire size before ordering wheels and tires.

Installation Warning

Professional installation required. Alignment mandatory. Does not fit aluminum or stamped steel control arms — order BDS711PES. Does not fit 2WD/RWD, 2013 or earlier, or 2019 or newer Silverado/Sierra 1500. Does not fit Silverado/Sierra HD.

Have you confirmed your Silverado/Sierra 1500 is a 2014–2018 4WD model with cast steel control arms — aluminum or stamped steel? Order BDS711PES. Prefer FOX 2.0 with rear block instead of leaf springs? See BDS710PSS-BLDV. Contact OFAS at 903-347-3875 to confirm the correct kit before ordering.