SPEC 87-92 Supra Turbo Stage 2+ Clutch Kit is a vehicle-specific clutch kits engineered for performance manual-transmission applications. It is selected by the complete vehicle, transmission, clutch, flywheel, and release-system configuration, not by engine family or chassis code alone.
Key Features
- Rated to 500 lb-ft, the ST633H handles bolt-on, light forced induction, and moderate power-adder builds without the harshness of a Stage 3 setup.
- Key Features Spec ST633H Stage 2+ clutch kit rated to 500 lb-ft torque capacity for 1987-1992 Toyota Supra Turbo 7M-GTE Multi-friction disc with carbon semi-metallic on one side and Kevlar on the other for 15 to 20 percent higher torque capacity vs.
- The ST633H is the Stage 2+ kit, using a multi-friction disc with carbon semi-metallic on one side and Kevlar on the other, raising the torque capacity to 500 lb-ft while keeping street engagement quality comparable to the Stage 2.
- The ST633H is rated to 500 lb-ft, which provides margin over the stock 7M-GTE output and supports mild to moderate bolt-on modifications and boost increases up to approximately 18 to 20 psi on a healthy engine.
- The Spec ST633H is manufactured in the USA to precise tolerances and is a complete kit including a new pressure plate, disc, throw-out bearing, and pilot bearing.
- The ST632 is a Stage 2 kit using a full-faced Kevlar disc rated to 460 lb-ft.
Fitment
| Years | Make | Model | Submodel |
|---|---|---|---|
| 1986-1991 | Toyota | Chaser | |
| 1991-2000 | Toyota | Soarer | |
| 1986-1993 | Toyota | Supra |
Specifications
| Brand | SPEC |
|---|---|
| Manufacturer Part Number | ST633H |
| Product Type | Clutch Kits |
| Fitment Type | Vehicle specific |
| Condition | New |
| Pricing Policy | Market audited, not MAP protected |
| Manufacturer Series | Stage 2 Plus |
| Torque Capacity | 500 lb-ft |
| Product Weight | 23 lbs |
What's Included
One new SPEC clutch kits package identified by manufacturer part number ST633H. Bearings, flywheels, hydraulic parts, fasteners, and installation tools are included only when the exact manufacturer package states they are included.
About SPEC
SPEC Clutch designs and manufactures performance clutch kits, multidisc assemblies, and billet flywheels in the United States for street, track, and competition applications.
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Frequently Asked Questions
How do I confirm SPEC ST633H fits my vehicle?
Match the complete year, make, model, engine, transmission, clutch type, flywheel type, and every SPEC application note. The manufacturer part number must match exactly.
Does this require a specific flywheel or pressure plate?
Compatibility depends on the exact vehicle, transmission, clutch design, and flywheel pattern. Confirm the complete SPEC application before combining components.
What installation checks are required?
Inspect the flywheel surface, pilot and release bearings, hydraulic or cable release system, fasteners, bellhousing alignment, and rear main seal. Follow current SPEC torque and break-in instructions.
Installation
Follow the current SPEC instructions for part number ST633H. Confirm the flywheel surface, crank and clutch patterns, disc orientation, spline engagement, pilot support, release travel, bellhousing alignment, and fastener torque before operation. Complete the manufacturer-required break-in procedure before full-load use.
SPEC
Shop SPEC performance clutch kits, multidisc assemblies, flywheels, clutch discs, and release components by exact manufacturer part number and verified application.Choosing the Correct SPEC Part Match the complete SPEC manufacturer part number Confirm the full year, make, model, engine, and manual transmission Verify clutch diameter, spline, crank pattern, flywheel pattern, and release system Follow every manufacturer note about required SPEC or original-equipment flywheels Vehicle FitmentVehicle-specific products use canonical year, make, model, and only legitimate required submodel records for Convermax filtering. Engine families, transmission codes, and chassis codes remain application notes rather than make or model values.Related SPEC Products All SPEC products SPEC BMW Stage 3 Plus clutch kit SPEC BMW steel flywheel SPEC Mustang Shelby GT350 twin-disc clutch kit Frequently Asked QuestionsHow do I verify SPEC clutch fitment?Match the exact part number, year, make, model, engine...
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