Starter, GM, 14 1/4" or 12 3/4" flywheel

Starter, Universal. Used on all: GM Engines with either 14 1/4" or 12 3/4" flywheels. Premium Quality For Longer Life. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Used on all: GM Engines with either 14 1/4" or 12 3/4" flywheels Premium Quality For Longer Life Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty