RT4100HR Racing Seat Size:THR - Tall Thicker shank design for enhanced

Thicker shank design for enhanced strength and load capacity

including stroker

- Ability to handle increased horsepower and torque

and pressure testing to ensure the cylinder head is a good candidate for modifications

RT4100HR Racing Seat Size:THR - Tall Thicker shank design for enhancedThe Racetech RT4100HR Racing Seat is a standard size fiberglass race seat engineered for drivers who demand maximum support, safety, and comfort. Built with integrated head restraint wings, the RT4100HR provides critical lateral head protection ideal for high speed drag racing, no prep applications, and door slammer builds where enhanced containment is essential. Designed around a lightweight yet rigid fiberglass shell, the RT4100HR features optimized