Best 20 inch drag radials are designed for rear-axle traction in street-driven, performance-focused cars. This guide highlights top DOT-approved options that balance street usability with track capability. Ideal buyers include street-strip enthusiasts, weekend racers, and drivers who want consistent launch traction without a trailer-tow. The featured picks below pair with common front tires to create a complete street-and-strip package. A concise buying table follows to help you compare essentials at a glance.
| Product | Size (example) | Best For |
|---|---|---|
| Atturo AZ850DR DOT Street-Legal Drag Radial Tire | 305/30R20 | Rear-axle drag performance with street drivability |
| Atturo AZ850DR DOT Street-Legal Drag Radial Tire | 315/35R20 | Higher grip for high-power setups |
| Atturo AZ850DR DOT Street-Legal Drag Radial Tire | 285/30R20 | Compact-width option for lighter rear-end setups |
| Atturo AZ850DR DOT Street-Legal Drag Radial Tire | 335/30R20 | Wide rear footprint for aggressive launches |
| Mickey Thompson ET Street S/S All-Season Radial Tire | 305/35R20 | All-season drag capability with street usability |
Atturo AZ850DR 305/30R20 Drag Radial
The AZ850DR is a DOT-compliant drag radial designed for rear-axle duty on street-driven performance cars. It’s built to be mounted and driven to the track, then driven home. This size pairing is best for powerful V8 rear-wheel setups seeking consistent, repeatable launches on street tires. Street drivability comes from shoulder blocks that reduce road noise and a solid center rib that helps tracking on ordinary roads.
Who it’s best for: buyers who want a street-legal drag radial with proven strip performance and predictable handling on daily roads. Why selected: this size delivers a balance of traction, noise control, and straight-line stability. Caution: launch conditions and weather can affect grip, so consider front-tire pairing for balance.
Atturo AZ850DR 315/35R20 Drag Radial
This larger-diameter option emphasizes high-load capabilities for stout street machines. It shares the AZ850DR’s street-friendly center rib and shoulder block design, tuned for a taller sidewall that can aid launch consistency on certain chassis setups. Best for: heavy, high-horsepower rear-drive builds that prioritize traction without sacrificing daily drivability. Caution: larger diameter may affect fitment with clearance or suspension geometry in some cars.
Atturo AZ850DR 285/30R20 Drag Radial
With a narrower rear tire, this version aims for lower rotational inertia and quicker reaction during launch, while still offering street-legal drag performance. It benefits smaller, lighter rear-wheel-drive builds or street cars that require a balance of grip and daily comfort. Best for: smaller-displacement engines or cars where weight reduction is a priority. Limitations: narrower contact patch may reduce ultimate grip in very high-power setups.
Atturo AZ850DR 335/30R20 Drag Radial
The wide rear option delivers the largest contact patch among the AZ850DR line, aiming for maximum traction during launch and at the track. It is well-suited for high-horsepower builds where road noise and ride comfort remain acceptable trade-offs for grip. Choose this if your vehicle’s suspension can accommodate a wider tire without rubbing. Caution: may require careful alignment and wheel clearance checks in some setups.
Mickey Thompson ET Street S/S All-Season Radial 305/35R20
The Mickey Thompson ET Street S/S line blends drag-specific compounds with all-season tread design, offering consistent launches with street-friendly manners. This 305/35R20 size provides a robust contact patch and improved traction for a wider range of weather. Best for: drivers who want drag performance with year-round usability. Limitation: all-season compounds may not match pure race compounds on hot drag nights.
Buying Guide
What should I consider when buying 20 inch drag radials?
- Rear-drive compatibility: Most drag radials in this guide are designed for rear-axle duty. Confirm your car’s setup and wheel fitment before purchasing.
- Tire width and traction needs: Narrower tires reduce rolling resistance but may limit ultimate grip; wider tires enhance launch traction but may require clearance checks.
- Street vs. track balance: DOT-approved drag radials prioritize street drivability while offering track traction. If you race often, consider combining with a front tire of complementary grip.
- Weather and temperature: Drag radials perform best in warm, dry conditions. Plan for weather-related grip changes and consider a backup plan for wet days.
- Wheel compatibility: Ensure wheel width and offset support the selected tire size for safe mounting and optimal performance.
How do I choose the right AZ850DR size?
Size choice depends on your vehicle’s rear axle width, suspension travel, and desired traction. For high-horsepower setups, larger widths like 315/35R20 or 335/30R20 increase contact area, while 285/30R20 can work well on lighter builds or when clearance is limited. Always verify clearance to fenders, springs, and exhaust components.
What is the impact of a wider rear tire on daily driving?
Wider tires can improve launch grip but may alter steering feel and ride comfort. They can also influence rolling resistance and fuel economy. If daily driving is important, consider a balance between traction and street manners in your selection.
Are drag radials street-legal?
Yes, most DOT-stamped drag radials like the AZ850DR are street-legal and designed to be driven on public roads. Check local regulations and ensure your setup is compliant with tire loading and speed rating requirements for your vehicle.
When should I replace drag radials?
Drag radials typically wear faster than all-season tires due to their compound and tread design. Replace when tread depth or performance in launches significantly declines, or when signs of uneven wear, cracking, or compromised sidewalls appear.
FAQ
- Q: Can I run drag radials on a daily driver? A: Yes, many DOT drag radials are designed for mixed-use, but expect reduced ride comfort and increased noise on rough roads.
- Q: Should I pair drag radials with a matching front tire? A: Yes, pairing with a front tire that provides balanced grip helps maintain predictable handling.
- Q: Do drag radials require special care? A: Regular inspection, proper inflation, and avoiding aggressive curb impacts help extend life and performance.
- Q: Is wider always better for grip? A: Not always. Wider tires add contact area but can increase mass and may rub or affect handling if not matched to the car.
- Q: Are these tires illegal on the road? A: They are DOT-approved for street use; always follow local regulations and vehicle safety requirements.