12A Light Weight Flywheel

Maxfab - Fabrication & Supply Co. Verified independent store

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Green Brothers brand new 10lb flywheel with new genuine Mazda ring gear CNC machined right here in the BOP from 4140 chromoly steel Milled recesses for pressure plate alignment Rin g gear can be replaced should the need arise Proven to 12.000+ rpm Suits all 12A and early 13B engines (300mm ring gear) 4140 vs 1045 material 4140 is significantly stronger and has a superior wear rate compared to the more commonly used 1045 material. Subsequently 4140 has a higher purchase price, hence the reason Green Brothers flywheels cost a little more than others Show more