SKU: CSZ451
Spec 94-05 Mazda Miata 1.8L Stage 1 Clutch Kit
The SPEC Stage 1 Clutch Kit SZ451 equips 1994-2005 Mazda Miata 1.8L models with reliable power handling for street and track use. This complete assembly replaces factory components to support modified engines up to 280 ft/lbs torque. Drivers experience precise engagement and consistent performance without sacrificing drivability.
Key Features
- Increased Torque Capacity: Rated at 280 ft/lbs to manage engine upgrades while maintaining smooth operation in daily driving
- Kevlar Friction Disc: 190mm diameter full-facing disc with 23-spline x 15mm hub delivers progressive engagement and long-term durability
- High Clamp Load Pressure Plate: Metallic diaphragm design provides firm hold for spirited acceleration and gear changes
- Complete Kit Contents: Includes pressure plate clutch disc throwout bearing pilot bearing and alignment tool for straightforward replacement
- Street-Friendly Design: Balances power transfer with comfort for 94-05 Miata Base and LS models under hard use
Product Notes
- Designed as direct OEM replacement with no drivetrain modifications required
- Follow 500-mile break-in procedure for optimal disc bedding and longevity
- Packed in protective box measuring 13 x 13 x 6 inches for secure transit
Installation Notes
- Professional installation recommended.
- Transmission removal necessary resurface flywheel if worn beyond 0.030 inches
- Compatible with OEM or lightweight flywheels using 23-spline input shaft
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1994-1997 | Mazda | Miata | Base |
| 1999-2005 | Mazda | Miata | Base |
| 2000-2005 | Mazda | Miata | LS |
Why Choose SPEC?
- Established leader in performance clutches with direct fitment for Mazda applications
- Manufactured with premium materials for repeated high-heat endurance
- Engineered in the USA for exact tolerances and consistent results
Frequently Asked Questions
- Q: Will this kit fit 1994-2005 Mazda Miata 1.8L models with manual transmission?
A: Yes SZ451 bolts directly to 1.8L engines in Base and LS trims from 1994-1997 and 1999-2005 confirm 23-spline transmission - Q: What friction material is used in the clutch disc?
A: Pure Kevlar composition offers high friction coefficient heat resistance up to 600 degrees F and minimal wear - Q: What warranty coverage applies?
A: Backed by SPEC 12-month unlimited mileage warranty against defects when installed correctly
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 13 x 13 x 6 inches
- Weight: 17.5 lbs
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