Firestone 55661 Dirt Track Grooved Rear Tire 8.20-17

The Firestone 55661 Dirt Track Grooved Rear Tire delivers authentic vintage racing style for nostalgic hot rods and classic race cars. This 8.20-17 bias ply tire features the legendary grooved tread pattern that was originally popularized on sprint cars in the 1960s and became an iconic choice for street rods throughout the 1970s.

Key Features:

• Size: 8.20-17 with tall sidewall and classic proportions
• 4-ply nylon bias ply construction for durability
• DOT approved for safe highway use
• Authentic grooved tread pattern recreated from original Firestone drawings
• Blackwall sidewall with period-correct styling
• Manufactured by Coker Tire using new molds from original specifications

These tires are perfect for 1920s-1940s hot rods, vintage midget racers, and sprint cars. The grooved rear design pairs perfectly with Firestone Dirt Track ribbed front tires to create the ultimate retro stance. While the original race tires were designed exclusively for track use, these modern reproductions feature improved construction that combines vintage racing heritage with modern highway manners. Each detail has been preserved, including the authentic sidewall engravings, ensuring your build maintains period-correct authenticity.