Screw Drivers Parts Guide

All Parts in Screw Drivers

Screw Drivers gives you access to a massive library of parts to construct custom vehicles. From powerful engines and responsive wheels to intricate gear systems and aerodynamic wings, every component plays a role in how your machine performs on the track. Understanding what each part does and when to use it is the key to building vehicles that are fast, stable, and fun to drive.

This hub page provides an overview of every major part category in the game. Follow the links to detailed pages for in-depth stats, comparisons, and build recommendations.

Engines

Engines are the powerplant of your vehicle. Screw Drivers offers two families of engines: electric and combustion. Electric engines like the Electrix-180 and Electrix-360 provide clean, consistent power. Combustion engines like the IgnCore-125 and PW-Blaze 1000 deliver raw power at the cost of added weight and complexity. Engine accessories such as capacitors, turbos, superchargers, and stepper motors let you fine-tune performance. See the full breakdown on the Engines page.

Wheels

Wheels are where your vehicle meets the ground, and the right choice makes a huge difference. Carriage tires are slow but nearly impossible to tip over. Rubber tires offer a balanced mix of speed and grip. Racing wheels are built for speed on paved surfaces. Dirt wheels dominate off-road terrain. Wheel size also affects top speed and handling characteristics. Visit the Wheels page for a complete guide.

Gears

Gears transfer power from the engine to the wheels and determine your vehicle’s acceleration and top speed. Small gears spin fast but lack torque. Large gears deliver torque at lower speeds. Specialized options like corner gears, plate gears, worm gears, and the planetary gear with its unique 1:2.3 ratio give you precise control over your drivetrain. The Gears page covers gear ratios, chain examples, and practical tips.

Suspension

Suspension keeps your wheels in contact with the ground over bumps and jumps. The game includes several suspension types, each available in steering and non-steering variants:

• Small Suspension — Compact and lightweight, good for small builds.
• Street Small / Street Big — Tuned for paved roads. Street Big handles rougher terrain better.
• Dirt Small / Dirt Big — Designed for off-road tracks with more travel and softer response.
• Motorcycle Suspension — Single-sided fork designed for two-wheeled builds.

Choosing suspension that matches your wheel and tire combo is important. Dirt wheels paired with dirt suspension create a capable off-road machine, while street suspension and racing wheels are ideal for circuit racing.

Axles

Axles connect your wheels to the drivetrain and come in various lengths to accommodate different chassis widths. Longer axles allow wider builds, which improve stability but add weight. Shorter axles keep things compact and reduce rotational mass. Make sure your axle length matches your wheel placement, or you will see structural errors in the stats overlay.

Beams and Structure

The structural backbone of your vehicle is built from beams and panels:

• Linear Beams — Straight structural members for the main frame.
• Non-Linear Beams — Angled and curved pieces for complex shapes.
• Plates and Panels — Flat surfaces for bodywork and mounting points.
• Lasercut Parts — Precision-cut components for detailed builds.

A rigid frame keeps your parts aligned during high-speed impacts. Skimping on structural beams often leads to vehicles that fold in half on the first jump.

Chains and New Parts

The October 2025 update added chains — flexible power transmission components that wrap around gears to transfer rotation across long distances. Chains are useful for routing power around obstacles or connecting distant components. The same update added the gear holder dynamic, round-hole gears, six new suspensions, and four new wheels. See the New Parts page for the full list.

Special Parts

Screw Drivers includes a variety of special components for advanced builds:

• Weights — Adjust your vehicle’s center of gravity. Place them low for stability or forward for better traction.
• Compass — A navigation aid that shows your heading on the track.
• Wings — Generate aerodynamic downforce at speed, improving cornering grip. More wings mean more grip but also more drag.
• Pistons — Linear actuators that extend and retract, useful for adjustable ride height or mechanical gimmicks.
• Stepper Motors — Programmable inputs assigned to numpad keys, enabling complex mechanical actions.

Part Tier List

Not all parts are created equal. Some engines dominate in every situation, while certain wheels are only useful on specific terrain. Our Part Tier List ranks every component by usefulness across different scenarios, helping you make smart choices when building for career mode or competitive multiplayer.

Related Pages

• Engines — Complete engine catalog and accessories
• Wheels — All wheel types and terrain matching
• Gears — Gear ratios and transmission building
• Part Tier List — Rankings and meta analysis
• Beginner Builds — Starter vehicle guides
• Speed Builds — Optimized racing machines