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SPEC

SPEC Clutch Stage 1 - Mazda MX-5 1.8L

MPN: SZ451 Catalog #: 00688729 Category: Clutch Kits - Single Check Vehicle Fitment

Product Details

Spec 94-05 Mazda Miata 1.8L Stage 1 Clutch Kit

SPEC Clutch Stage 1 - Mazda MX-5 1.8L, SPEC Clutch Stage 1 - Mazda Miata 1.8L

**** BEFORE Ordering, please check your application using the SPEC Catalog.

SPEC Clutch Stage 1 Kits Feature an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The sprung hub (application dependent) version is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications. Some applications require a solid hub based on the vehicles flywheel setup.

SPEC Maximum Torque Recommendations (Measured at the Flywheel):

Stages 1-3+ recommended for street/strip Stages 4-5 Race only.

About SPEC Clutch: SPEC is a Manufacturer of street high performance and racing clutches and flywheels. Featuring Clutch Kits From street kit Stage 1, 2, 2+, 3, and 3+ to Race Kits Stage 4 and 5. And now the SPEC Super Twin with TQ ratings of over 1500 FT TQ ! Every SPEC Clutch Kit and Flywheel has been SFI Approved.

Rush Shipping Information: Overnight/Rush shipping is not from the time that the order is placed rather it's the shipping method after the item is shipped. 2nd day air for a clutch kit is aprox $100-120 Next day air is aprox $130-180. These are just estimates and may range up or down by as much as 20%, the exact amount will be quoted before we charge your card if you want to request rush shipping.

Additional SPEC Clutch Stage Information: SPEC Clutch Recommendations

SPEC Warranty Policy: SPEC's Warranty Policy Information

1994–2005 SPEC Clutch Stage 1 - Mazda Miata 1.8L

SPEC Clutch Stage 1 Kits Feature an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The sprung hub (application dependent) version is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications. Some applications require a solid hub based on the vehicles flywheel setup.

SPEC Maximum Torque Recommendations (Measured at the Flywheel):

Stage 1 Stage 2 Stage 2+ Stage 3 Stage 3+ Stage 4 Stage 5
Kit Part Number: SZ451 SZ452 SZ453H SZ453 SZ453F SZ454 SZ455
Torque Capacity: 230 260 300 320 370 320 450

Stages 1-3+ recommended for street/strip Stages 4-5 Race only.

SPEC Clutch Stage 1 - Mazda MX-5 1.8L, SPEC Clutch Stage 1 - Mazda Miata 1.8L

SPEC Clutch Stage 1 - Mazda MX-5 1.8L, SPEC Clutch Stage 1 - Mazda Miata 1.8L

**** BEFORE Ordering, please check your application using the SPEC Catalog.

Vehicle Fitment

Please verify year, make, model, and any notes before ordering.

Product Specs

Brand
SPEC
Part Number
SZ451
Catalog Number
00688729
Product Line
Stage 1
Category
Transmission
Type
Clutch Kits - Single
Vendor Product Category
Drivetrain
Vendor Product Subcategory
Clutch Kits - Single
Length
14.70 in
Width
14.30 in
Height
3.40 in
Weight
14.50 lb
Units Per SKU
1
Freight / LTL
No
Air Restricted
No
Prop 65
Unknown
CARB Approved
Yes
Clearance Item
No

Shipping & Availability

Current status In Stock - Ready to Ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 1 available as of 6/4/2026.

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