https://www.chikaramotorsports.com/product-page/maruha-lightweight-flywheel-28r-type-c-4-4kg-for-na8-nb-miata
Maruha Lightweight Flywheel 28R Type-C 4.4kg for NA8/NB Miata | Chikara Motorsports
Maruha 28R Type-C light weight flywheel for NA8 and NB Miata is a carefully calculated design with 50% weight reduction from the OEM flywheel. This flywheel...