Product details:

These SFI-Rated Flywheels are engineered to handle extreme duty applications and designed to take the punishment of todays high horsepower engines. Speedmaster billet steel flywheels are CAD engineered and precision CNC machined to strict tolerances. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that our customers receive the quality that they have come to expect from Speedmaster products.168 tooth - Fits 1986-up Chevy 305 SBC application - SFI 1.1 certified - Manufactured from billet steel - Heat treated gear - CAD Engineering - CNC machined - Includes removable weight