Racetech - Threaded Boss Kit miatasbvc Swift Springs:

Swift Springs:

anti-squat and bumpsteer for maximum grip

beyond that we highly recommend them for all other usages as long as you're within the power rating

Part Number: H-04-BR

Built-in Bluetooth functionality allows the user to transmit data to an Android phone or tablet

Racetech - Threaded Boss Kit miatasbvc Swift Springs:Threaded insert kit. Allows Racetech seats without back mounting capability to be retro fitted. Most often used on RT4009 and RT4009HR series seats. Highly recommended for NHRA drag racing or sanctioned drag strips that require a back mount seat. Kit includes: 2x Harness guides 2x Threaded inserts 2x M8 bolts 2x Washers