Air suspension has become the go-to solution for serious builders, daily drivers, show vehicles, and performance enthusiasts who want complete control over their vehicle’s ride height, stance, and comfort level. Among the many air management options available in today’s aftermarket, Air Lift Performance ALP4 kits stand out as one of the most advanced, dependable, and user-friendly solutions on the market. These complete management systems bring a new level of precision to air-equipped vehicles — delivering fast response, rock-solid reliability, and smooth integration with both stock and modified setups.

Whether you're building a show-stopping custom truck, a bagged street cruiser, or a modern performance car with adjustable height demands, the ALP4 management system gives you the tools to fine-tune your suspension with confidence.

Today we’re taking a deep dive into both versions of the kit — the 1/4” air line ALP4 (Part #27480) and the 3/8” air line ALP4 (Part #27485) — and helping you decide which one best suits your build.

---

What Is the Air Lift Performance ALP4 Kit?

The ALP4 is an advanced, pressure-based air management system designed to operate your air suspension with speed, finesse, and reliable accuracy. Air Lift Performance engineered this platform to bridge the gap between high-end digital management systems and entry-level manual setups. It offers the perfect balance of features, performance, and affordability, without sacrificing quality or long-term dependability.

The ALP4 includes everything needed to control your air bags, monitor pressures, and adjust ride height on the fly. It’s ideal for:

• Custom full-size trucks

• Minitrucks

• Classic cars

• Modern cars

• Static-to-air conversions

• Show builds

• Daily drivers

• Performance-driven air ride setups

If your vehicle runs air bags or is being converted to air, the ALP4 delivers a complete, ready-to-install solution.

---

Why Enthusiasts Choose ALP4

✔ Reliable Pressure-Based Operation

The ALP4 uses accurate pressure sensors that read the PSI of each air spring, delivering consistent suspension behavior in different driving conditions.

✔ Smooth and Predictable Adjustments

The system is tuned for fast yet controlled air flow — no jerky movements, no random height changes, no inconsistent bag behavior.

✔ Compact, Clean Installation

Air Lift Performance designs their systems to be easy to mount, wire, and plumb. Every part has a purpose, and there’s no unnecessary clutter.

✔ Designed for Both Beginners & Advanced Builders

Whether this is your first air ride build or your tenth, the ALP4 gives you modern functionality without an overwhelming installation process.

---

1/4” vs. 3/8” Airline — Which ALP4 Kit Do You Need?

Air Lift Performance offers the ALP4 in two configurations, and the choice comes down to how you want your system to behave.

---

? ALP4 1/4" Air Line Kit – Part #27480

Best for:

• Daily drivers

• Classic cars

• Builders who prefer smoother, slower, more controlled lift & drop

• Show vehicles needing precision adjustments

• Anyone who wants quieter operation

Benefits

• Smoother, more refined movements

• Easier to fine-tune ride height

• Less air consumption

• Quietest operation

• Ideal for long-term comfort

This version offers the best overall comfort experience. The 1/4” ALP4 kit is available here:
➡️ 1/4" ALP4 Air Management

---

⚡ ALP4 3/8" Air Line Kit – Part #27485

Best for:

• Trucks

• HD builds

• Slam/raise performance

• Vehicles running big wheels/big bags

• Builders who want fast, responsive action

Benefits

• Faster lift and drop speeds

• Larger air volume delivery

• Stronger response

• Better suited for heavier vehicles

The 3/8” ALP4 kit is available here:
➡️ 3/8" ALP4 Air Management

This kit hits harder, moves faster, and gives your vehicle authority when you air up or down.

---

What’s Included in Both ALP4 Kits

Both kits include:

• ALP4 valve manifold

• Integrated pressure sensors

• Wiring harness

• Water trap system

• Digital control functionality

• All fittings (based on line size)

• Air line (1/4” or 3/8”)

• Detailed installation instructions

• All required hardware

Air Lift Performance is known for premium components, leak-free fittings, and long-term durability — the ALP4 is no exception.

---

Key Features That Make the ALP4 Special

1. Digital Management Without Overkill

Get modern accuracy and smooth adjustments without the price tag or complexity of top-tier ECUs.

2. Perfect for Clean, Simple Builds

Builders who value clean trunk setups and minimal wiring love this kit.

3. Fast Responses and Consistent Performance

Whether cruising, towing, or airing out for photos, the ALP4 always reacts consistently.

4. Fully Serviceable

Every part can be replaced or upgraded — no sealed, disposable components.

---

Is the ALP4 Right for Your Build?

If you want a dependable, modern, easy-to-install air management kit, the ALP4 hits the sweet spot. Perfect for:

• Bagged trucks (S10, Silverado, Ranger, F150, Tacoma, C10, etc.)

• Bagged cars (Challenger, 300C, Charger, Mustang, imports)

• Classic restorations wanting clean air ride integration

• Daily drivers wanting comfort + style

• Show builds needing reliable operation throughout a season

Choose the 1/4” version if you want smooth and quiet.
Choose the 3/8” version if you want fast and aggressive.

Either way, Air Lift Performance delivers exceptional quality.