*HT-10 ('S' Compound Code)* Intermediate to high torque with a smooth initial bite. Very consistent pedal feel. Excellent modulation and release characteristics. * High Temp Performance, 300-1300F / 149-871C * Intermediate to High Torque with a Smooth Initial Bite * Very Consistent Pedal Feel * Excellent Modulation and Release Characteristics *HT-14 ('V' Compound Code)* Very high torque with aggressive initial bite. Excellent modulation and release characteristics. Brake pads designed for cars with extremely high deceleration rates and down force. * High Temp Performance, 300-1400F / 149-971C * Very High Torque with Aggressive Initial Bite * Excellent Modulation and Release Characteristics * Brake Pads Designed for Cars with Extremely High Deceleration Rates and Down Force