Weighing just 2.5KG this competition flywheel is to suit the A-Series 1098 & 1275cc RWD engines with 6 bolt cranks and is machined from a chrome moly steel billet with an integrally cut ring gear for the lowest possible moment of inertia. They are designed to allow the use of 7 1/4" (184mm) step fitment competition clutches.
The clutch mounting holes are tapped M8 please refer the associated products link below for suitable clutch to flywheel mounting bolts.