ATP Z-460 Auto Trans Flexplate

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• General Motors 340296
• General Motors 471598
• Pioneer FRA-100HD
• Pioneer FRA100HD
• Pioneer Automotive Industries FRA100HD
• Pioneer Automotive Industries FRA-100HD

• Vehicles with automatic transmissions have a flex plate. Flex plates connect the engine and transmission. Most flex plates are made of a thick piece of sheet metal with bolt holes for the torque converter and teeth for the starter. The ATP heavy duty flex plate offers superior strength because the ring gear is welded on both sides to the center plate. The job of a flex plate is to allow for expansion of the torque converter as engine RPM increases. The constant expansion and contraction of a flex plate over time can result cracks and/or shearing of the flex plate. A damaged flex plate can create serious (expensive) damage. Broken flex plates can not be repaired, they must be replaced. ATP flex plates are made of high quality steel and contain the correct