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DESCRIPTION
You are buying a brand new XTD Stage 4 performance clutch kit combined with an
XTD Ultra-Lite 10LBS chromoly flywheel.
Stage 4 is designed for high-output / heavily modified setups where you need stronger holding power than street clutches.
Please confirm your application before purchase.
XTD STAGE 4 CLUTCH – CERAMIC RACING CLUTCH (SPRUNG)
Stage 4 uses a ceramic friction racing disc designed for rapid heat dissipation and strong bite under load.
This kit is commonly used for turbo / supercharged / nitrous or aggressive track/drag driving.
The disc uses a sprung hub to help reduce drivetrain shock compared to rigid discs (engagement is still aggressive vs. organic/kevlar).
KEY FEATURES
• Extreme 2100lBS clamping force heavy-duty pressure plate (ductile iron / heat treated)
• 6-puck ceramic sprung racing disc (aggressive engagement)
• Break-in: 500 miles recommended
• Professional installation recommended
XTD ULTRA-LITE FLYWHEEL – 10LBS CHROMOLY
XTD flywheels are manufactured from high quality chromoly steel and engineered for improved engine response.
Lower flywheel weight reduces rotational inertia, helping the engine rev more freely for quicker throttle response.
CNC machining and heat treatment are used to improve durability.
BENEFITS
• Much lighter than factory steel flywheels (10LBS)
• Faster throttle response due to reduced rotational inertia
• Strong chromoly material with CNC machining & heat treatment
PERFORMANCE / NOTES (APPLICATION DEPENDENT)
• Approx support (as listed): Torque capacity 385 ft/lbs / up to 410 HP*
• Stage 4 ceramic clutches may increase noise/vibration/chatter depending on setup
• Lightweight flywheel may also increase NVH depending on mounts and engine condition
*Support varies by tune, vehicle condition, installation, and driving style.
Important: Fitment may vary if your vehicle has been swapped or modified.
Please message us with your vehicle info before ordering if you are unsure.
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