The Clutch Masters Universal Replacement Steel Flywheel Insert is a universal clutch-system component selected by exact manufacturer part number H3-12/D-250 and the stated bearing, seal, bore, insert, valve, or bellhousing interface. Match every dimension and system requirement before ordering.

Key Features

• 250mm Diameter: Matches exactly with Clutch Masters lightweight flywheels on compatible vehicles for seamless integration.
• Billet Steel Construction: Delivers high durability and resistance to wear for consistent long-term use in street applications.
• Precision Machined: Maintains factory balance to ensure vibration-free operation and precise power transfer.
• Designed exclusively for Clutch Masters 250mm aluminum flywheels models like FX400 FX500 series.
• Street-Focused Engineering: Handles everyday torque loads and heat cycles while supporting performance upgrades.
• Compatible with OEM flywheel bolts re-torque to 60-70 ft-lbs after 500 miles.

Fitment

Specifications

What’s Included

One new Clutch Masters product in the exact configuration and quantity identified by manufacturer part number H3-12/D-250. Flywheels, discs, pressure plates, bearings, cylinders, lines, valves, seals, adapters, pilot supports, fasteners, fluid, and tools are included only when expressly stated for this exact part number.

About Clutch Masters

Clutch Masters develops street and competition clutch, flywheel, release, and hydraulic products. Correct selection remains exact-vehicle, exact-drivetrain, exact-interface, exact-power-level, and exact-part-number specific.

Related Clutch Masters Products

• Clutch Masters 00-02 Audi S4 2.7L / 00-03 Audi A6 2.7L 850 Series Steel Flywheel
• Clutch Masters 01-07 Mitsubishi Lancer 2.0L T Evo 7-9 Steel Flywheel
• Clutch Masters 01-08 Honda S00 2.0L / 2.2L (High Rev) Steel Flywheel

Browse the Clutch Masters collection for related clutch kits, flywheels, release components, and hydraulics.

Frequently Asked Questions

How do I confirm this universal Clutch Masters component is correct?
Match the exact manufacturer part number, dimensions, bearing or seal type, bore, insert, valve, bellhousing interface, fluid requirements, and included components.

Should the flywheel be inspected or replaced with a new clutch?
Yes. Inspect the flywheel for heat damage, cracks, runout, and the correct step or friction surface. Resurface or replace it only according to the clutch and flywheel manufacturer’s specifications.

Is a clutch break-in period required?
Follow the current instructions for the exact clutch. Many street friction materials require controlled engagement cycles before full-torque use, while some race systems have different procedures.

Installation Instructions

Follow the current Clutch Masters and factory service instructions for this exact part number. Verify every interface before transmission removal, inspect and measure the flywheel and release system, replace worn seals and bearings, keep friction surfaces clean, use the specified fasteners and torque sequence, bleed hydraulic components, confirm release travel, and complete the required break-in procedure before full-torque use.