The Obsidian Guarantee
100% Authorized Dealer
Factory-direct parts from 20+ leading brands. Full manufacturer warranties included.
Free Shipping – No Minimum
Fast, $0 shipping on every order to the lower 48. No hidden fees.
Real Fitment Verification
Text a technician before you buy. SMS ONLY: (469) 407-7538.
Flexible Payment Options
Secure financing through Affirm & Afterpay. Interest-free over $500.
Rock Slide Engineering Removable Drop Step | 4-Inch | HSLA Steel / Aluminum | 2018-2026 Jeep Wrangler JL | SKU SL-304-SP
0Low stock
0In stock, ready to ship
Fast Shipping
Financing Available
Best Deals
Get notified by email when this product becomes available
Have a question?
Description
The Rock Slide Engineering Removable Drop Step (SKU SL-304-SP) is the 4-inch drop step accessory for the Rock Slide Deluxe Rock Rail (SL-300-JL4) on the 2018–2026 Jeep Wrangler JL. HSLA High Strength Low Alloy steel internal structure with aluminum exterior. Grip tape step surface. Two-bolt installation per step using the OEM Mopar JL tool kit. Comes with 4 steps — sufficient for a 4-door JL Unlimited application. Steps mount directly to the installed SL-300-JL4 rail and are removable independently without modifying the rail.
The SL-300-JL4 Deluxe Rock Rail is required for installation and is NOT included. This step kit does not mount without it.
Component Specifications
| Spec | Detail |
|---|---|
| SKU / Part Number | SL-304-SP |
| Brand | Rock Slide Engineering |
| Type | Removable drop step — accessory for Deluxe Rock Rail |
| Drop Height | 4 inches |
| Internal Structure | HSLA High Strength Low Alloy steel |
| Exterior | Aluminum |
| Finish | Powder coat — textured black |
| Step Surface | Grip tape — non-slip |
| Installation | 2-bolt per step using OEM Mopar JL tool kit |
| Steps Included | 4 steps — sufficient for 4-door JL Unlimited application |
| Weight | 35 lbs |
| Required Hardware | OEM Mopar JL tool kit — confirm availability before ordering |
| Required Rail | SL-300-JL4 Deluxe Rock Rail — NOT included, required for installation |
| Country of Origin | United States |
| Sold As | Kit — 4 steps included |
What Is and Is NOT Included
| Item | Included |
|---|---|
| 4x drop steps (4-inch) with grip tape surface | ✓ |
| Mounting hardware | ✓ |
| SL-300-JL4 Deluxe Rock Rail | ✗ NOT included — required for installation, sold separately |
| OEM Mopar JL tool kit | ✗ NOT included — required for installation |
Drop Step Compatibility — SL-300-JL4 Rail Required
This step kit mounts exclusively to the Rock Slide Engineering Deluxe Rock Rail (SL-300-JL4). It does not mount to the vehicle body, frame, or any other Rock Slide Engineering rail series directly. Install the SL-300-JL4 rail before ordering this step kit.
| Drop Step SKU | Drop Height | Required Rail | Notes |
|---|---|---|---|
| SL-304-SP (this listing) | 4 inches | SL-300-JL4 | Standard drop — most JL builds |
| SL-307-SP | 7 inches | SL-300-JL4 | Greater drop — lifted JL applications |
Choose the 4-inch drop for a stock or mildly lifted JL. Choose the 7-inch drop (SL-307-SP) for JL builds with significant lift where more drop is needed for comfortable step height.
Verified Fitment — 2018–2026 Jeep Wrangler JL
| Trim | Years | Status |
|---|---|---|
| JL Sport / Sport S / Rubicon / Sahara | 2018–2026 | ✓ |
| JL Unlimited Sport / Sport S / Rubicon / Sahara | 2018–2022 | ✓ |
| JL Unlimited Moab | 2018–2019 | ✓ |
| JL Unlimited Rubicon 4xe / Sahara 4xe / High Altitude 4xe | 2021–2026 | ✓ |
| JL Unlimited Willys / Willys Sport / High Altitude | 2021–2026 | ✓ |
| JL Unlimited Rubicon 392 | 2021–2024 | ✓ |
| JL Unlimited 80th Anniversary / Freedom / Islander | 2021 | ✓ |
| JL Unlimited High Tide | 2022–2026 | ✓ |
| JL Willys 4xe / Rubicon 4xe / Sahara 4xe / High Altitude 4xe | 2023–2026 | ✓ |
| JL Rubicon X / Rubicon X 4xe / Sport S 4xe / Rubicon 392 Final Edition | 2024–2026 | ✓ |
| Jeep Wrangler JK — all trims | 2007–2018 | ✗ Different rail — JK-specific steps required |
| Jeep Gladiator JT | 2020–2026 | ✗ Different rail — JT-specific steps required |
| Any JL without SL-300-JL4 Deluxe Rock Rail installed | N/A | ✗ Will not mount without the SL-300-JL4 rail |
Critical Compatibility
| Configuration | Notes |
|---|---|
| SL-300-JL4 Deluxe Rock Rail | Required — these steps will not install without it. Order SL-300-JL4 first. |
| OEM Mopar JL tool kit | Required for 2-bolt installation per step. Confirm availability before ordering. |
| Jeep Wrangler JK | Does not fit — JK uses different rail mounting geometry. |
| Jeep Gladiator JT | Does not fit — JT-specific steps required. |
| JL builds with significant lift | Consider SL-307-SP (7-inch drop) for more comfortable step height on lifted applications. |
| Modified vehicles with body lifts | Verify rail and step clearance geometry on lifted applications before ordering. |
Common Questions
Do I need anything besides this kit to install the steps? Yes — two things. First, the SL-300-JL4 Deluxe Rock Rail must already be installed on your JL. This step kit mounts to the rail, not directly to the vehicle. Second, the OEM Mopar JL tool kit is required for the 2-bolt installation per step. Confirm you have both before ordering.
4-inch drop vs. 7-inch drop — which is right for my JL? On a stock or mildly lifted JL (1–2 inches), the 4-inch drop (SL-304-SP) provides a comfortable step height for most door sill heights. On a significantly lifted JL (3 inches or more), the 7-inch drop (SL-307-SP) brings the step closer to a natural stride distance from the ground. If you are unsure, measure from the installed rail to the ground and compare against a comfortable step height for your build.
Can I remove the steps for trail use and reinstall for daily driving? Yes. The steps are independently removable without modifying or removing the SL-300-JL4 rail. This is the core benefit of the Deluxe Rock Rail system — trail clearance when the steps are off, daily-use accessibility when they are on.
Does this kit include steps for both driver and passenger sides? Yes — 4 steps are included, providing coverage for a 4-door JL Unlimited application (2 per side).
The Obsidian Take
The SL-304-SP is for the JL owner who already has the SL-300-JL4 Deluxe Rock Rail installed and wants to add daily-use step access without permanently modifying the rail or compromising trail clearance. HSLA steel structure, aluminum exterior, grip tape surface, 4 steps included, removable independently of the rail.
The decision between 4-inch and 7-inch drop comes down to how much lift your JL is running. Stock to mildly lifted — order SL-304-SP. Significantly lifted — order SL-307-SP. If the SL-300-JL4 rail is not yet installed, order that first.
⚠️ California Proposition 65 Warning: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information visit P65Warnings.ca.gov.
Non-Returnable Notice: Structural and body protection products that have been installed or modified are non-returnable. Verify fitment, required rail installation, and model year before ordering.
Manufacturer Data Disclaimer: Specifications and fitment data are sourced from Rock Slide Engineering manufacturer documentation. Fitment extended to 2026 consistent with JL production continuation — verify current year availability before ordering. Obsidian Forged Auto Supply is an authorized Rock Slide Engineering dealer. Manufacturer specifications are subject to change without notice.