Crower 78901H-1 Features:

Crower 78901H-1 high-pressure clutch pressure plate spring for racing clutch assemblies 1.270 in. outside diameter for direct replacement or clutch tuning applications Provides stiffer resistance and greater clamping force than Crower 78901-1 and 78900-1 Helps fine-tune static spring adjustment for optimized launch control and engagement consistency

Pressure Plate Spring 1.2 1.270 In. Od High-pressure Racing Features:

• 1.270 in. OD high-pressure clutch spring, tuned for racing pressure plate setups, delivering a compact fit and precise spring selection for performance clutch adjustment
• Stiffer spring resistance than standard and light spring options, helping increase clamping force for improved torque transfer and more controlled clutch holding power
• Optimized static spring adjustment for launch control, supporting more precise clutch engagement tuning in hard-launch, high-load, competition-focused applications
• Consistent power-to-ground control under extreme horsepower and torque, helping maintain repeatable clutch behavior in severe-duty motorsport environments
• Built for severe-duty racing use including blown alcohol funny cars, pro-mods, sand drags, and truck or tractor pulling where precise engagement is critical