One new stock replacement ductile iron flywheel for Chrysler Dodge Plymouth Mopar 4-speed internally / neutral balanced V-8 engines with 6-bolt crank flange , 130 tooth, for 10 1/2" clutch. 13.2" diameter. Also fits 3.9 liter V-6 engines. Please be sure to measure before ordering. If you are unsure of what size flywheel you need, you can always google the casting number on your bellhousing which is usually found where the transmission mates to it. Thanks! Weighs 32 pounds.