Performance Kit with MF Hi-Torque Steelback Disc; 10-1/2" x 1-1/8" x 10T
The M-Pact ST1.5X Performance Clutch Kit is recommended for performance street, autocross, and track. Each kit features a high-clamp engineered pressure plate and a multi-friction clutch disc. The multi-friction disc is unique because it incorporates two different friction materials working to achieve maximum performance and drivability. A steel back lining is used on the flywheel side for smooth engagement and less flywheel surface wear while a segmented sintered ceramic facing on the pressure plate side delivers maximum holding power.
Features:
Delivers up to a 100-175% increase in torque capacity and is designed for street, track, and off-road applications
Uses a high-clamp engineered pressure plate with a high-torque multi-friction clutch disc
Assembled with precision engineered components designed for increased horse power applications
Incorporates two different friction materials working simultaneously to achieve maximum performance and drivability
A steel backed lining is used on the flywheel side for smooth engagement and less flywheel surface wear
On the pressure plate side, a segmented sintered ceramic facing delivers maximum holding as well as increased grab upon engagement
The high-clamp pressure plate is made with nodular iron casting for additional performance and strength
Most M-Pact high-clamp pressure plates are assembled with an additional drive strap to increase strength and prevent breakage
M-Pact Clutch Kit Comparison
Kit Level
Designed For
Friction Disc Type
Torque Capacity Increase
Clutch Pedal Feel
OE Replacement
Daily Driving / Stock Vehicles
Organic
None
OE Pedal Feel / Clamp Load
Upgrade Kit with Hi-Torque Steelback Disc
Stock Vehicles or Vehicles With Mild Power Increases
Alloy Backed Organic
Mild
OE Pedal Feel / Clamp Load
Upgrade Kit with Hi-Torque Multi Friction Disc
Moderately Modified Vehicles or Aggressive Drivers With Stock Power
Steel Backed Sintered Ceramic
20-40%
OE Pedal Feel / Clamp Load
Upgrade Kit with Hi-Torque 6 Puck Ceramic Disc
Moderately Modified Vehicles or Aggressive Drivers With Stock Power
6 Puck Cera-Metallic
25-50%
OE Pedal Feel / Clamp Load
Performance Kit with Hi-Torque Steelback Disc
Street, Track & Off-Road Applications
Dual Sprung Alloy Backed Organic
100-150%
Stiff Pedal Feel / High Clamp Load
Performance Kit with Hi-Torque Multi Friction Disc
Street, Track & Off-Road Applications
Dual Sprung Steel Backed Sintered Ceramic
100-175%
Stiff Pedal Feel / High Clamp Load
Performance Kit with Hi-Torque 6 Puck Ceramic Disc
Performance Street, Track & Road Racing
Dual Sprung 6 Puck Cera-Metallic
150-200%
Stiff Pedal Feel / High Clamp Load
Tips & Tools For The Job
Wear a Dust Mask to protect against hazardous clutch dust. You can also spray the clutch with water prior to removal to reduce the amount of airborne dust during disassembly.
Use a Flywheel Turner to hold the flywheel in place while removing and reinstalling the pressure plate bolts.
Apply Blue Threadlocker to flywheel bolts prior to installation to prevent backing out due to the high vibrations flywheels are subject to.
Use the provided lubricant to lightly lubricate the splines of the input shaft. Over lubricating the input shaft risks lubricant transfer to the clutch friction disc and can cause clutch slippage.
Be sure to install the new clutch friction disc in the correct direction. The disc will have a "Flywheel Side" label on one side.
Tips & Tools For The Job