What is the benefit of a lighter flywheel?

A lighter flywheel reduces the engine's rotational mass. This allows the engine to rev up and down more quickly, leading to improved throttle response and a more agile feel.

Does this flywheel come with the necessary hardware?

This flywheel is sold individually and requires the Mazda counterbalance (part number 351-11-521) for installation. It does not typically include clutch components or other mounting hardware.

Will this flywheel work with my stock clutch?

This flywheel is designed to be compatible with the Mazda counterbalance. While it can often be used with a stock clutch, it's recommended to consult the clutch manufacturer's specifications or an experienced mechanic to ensure full compatibility.

Spec 03-07 Mazda RX-8 12lb Aluminum Flywheel (requires Mazda counterbalance; p/n 351-11-521)

Specifications

Brand: SPEC
Part #: SZ49A

Spec 03-07 Mazda RX-8 12lb Aluminum Flywheel (requires Mazda counterbalance; p/n 351-11-521)

Name: Spec 03-07 Mazda RX-8 12lb Aluminum Flywheel (requires Mazda counterbalance; p/n 351-11-521)
Brand: SPEC
SKU: spec-spec-03-07-mazda-rx-8-12lb-aluminum-flywheel-requires-mazda-counterbalance--t14-2088
Price: 463.81 USD
Availability: InStock

$463.81

Only 1 left in stock

Fits 1986-1995 Mazda RX-7. SPEC 12lb aluminum flywheel for improved engine response.

Key Features

Fits 1986-1991 and 1993-1995 Mazda RX-7.
This is a 12lb aluminum flywheel, significantly reducing rotational mass compared to stock.
Designed to work with the Mazda counterbalance for proper engine operation.
Part number SZ49A from SPEC is a direct fit for compatible RX-7 models.
Requires Mazda counterbalance part number 351-11-521 for installation.

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Fits these vehicles

Mazda RX-7 1986-1991, 1993-1995
Mazda RX-8 2004-2008

Product Details

If you're looking to improve the engine's ability to rev up and down more quickly in your 1986-1995 Mazda RX-7, a lighter flywheel is a key component. This 12lb aluminum flywheel from SPEC is designed to reduce rotational mass, allowing your engine to respond more eagerly to throttle inputs. It's a popular choice for drivers who want a more connected feel to their engine's performance.

Crafted from aluminum, this flywheel is significantly lighter than a stock unit, which directly translates to faster engine acceleration. Keep in mind that this SPEC flywheel is designed to work with the Mazda counterbalance, and it's important to use the correct part number (351-11-521) for proper installation and function. While a lighter flywheel offers improved response, it can also make the clutch engagement slightly more abrupt, especially at lower RPMs. This is a trade-off many enthusiasts are willing to make for the enhanced performance feel.

When installing this flywheel, ensure you have the correct clutch kit and hardware for your specific RX-7 model. Proper balancing and alignment are crucial for smooth operation and longevity.