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Home / Drivetrain / Flywheels / Clutch Masters Engine Adapter Plate for Honda K Engine to Subaru STI 6-Speed Transmission
Clutch Masters Engine Adapter Plate for Honda K Engine to Subaru STI 6-Speed Transmission
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Clutch Masters

Clutch Masters Engine Adapter Plate for Honda K Engine to Subaru STI 6-Speed Transmission

PART K721-EAPCATEGORY Flywheels
$552.50
MSRP $650.00You save $97.50
$552.50
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

Honda K Engine to Subaru Transmission

Supplier category
Drivetrain
Supplier subcategory
Flywheels
UPC / barcode
K721-EAP
Units per product
1
Supplier Proposition 65 status
Unknown
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
No
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

Clutch Masters Engine Adapter Plate for Honda K Engine to Subaru STI 6-Speed Transmission

Clutch Masters Bell Housing Adapter

Eng to Trans Adapter

About the manufacturer

What are your thoughts, should Subaru's come with a K20/K24 motor or should Honda's be equipped with an AWD system similar to Subarus? Regardless, this adapter plate kit will allow you to bolt up Honda's K series motors to a Subaru EJ transmission (5 or 6-Speed). This kit utilizes the factory Honda starter and includes a cover plate to cover the starter hole on the Subaru transmission. This allows you to utilize a RWD K series wiring harness without too much fuss.

We made the adapter plate 1" thick which allows us to make a single disc flywheel that uses an OE style Subaru STi 6-Speed clutch kit. We also offer a twin disc flywheel that will let you run one of our 850 Series twin discs for those wanting to make high horsepower. Adapter plate kit comes with all hardware needed to mount everything together. This kit angles the Honda K motor at the factory angle of 11 degrees to the passenger side.

Additional manufacturer information

Engine to Transmission Bell Housing Adapter

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