13B light weight flywheel 7.25in

Brand new 12lb billet flywheel with new genuine Mazda ring gear.

CNC machined right here in the BOP from 4140 chromoly steel. Ring gear can be replaced should the need arise. Proven to 12,000+rpm.

Suits all 13B turbo engines and any rotary (12A, 13B, 20B) running a 13B turbo gearbox (320mm ring gear).

Suits all 7.25in single and multi plate clutches.

New Mazda rear counterweights available to suit all engine models. High tensile clutch/flywheel bolt kits available.

–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 our flywheels cost a little more than some others.