Now one plate, one part number fits all 289-351 Ford engines whether manual or automatic transmission equipped 157 or 164 tooth flywheels. Protect your expensive starters, flywheels and torque converters with a block plate that ensures perfect starter/flywheel alignment and correct torque converter back spacing. Ventilation holes are provided to ensure adequate air circulation. Manufactured from .060 steel and gold irradiated, a removable starter spacer provides for exact starter positioning to prevent starter kick out and flywheel damage on either 157 or 164 tooth flywheels.