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Automatic Transmission Parts

Automatic transmission flex plate
Part # Z-123 | Line Code: ATP

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Not Fitted / Universal

Product Details
Inside Diameter 2.75
Mounting Hole Diameter 11.25
Tooth Quantity 166
Outside Diameter 13.938
LineCode ATP4
Weight Added N
Pitch Flywheels 12 TO 14
Teeth 166
Heavy Duty Supplier Yes
SFI Approved N
Safety Rating N/A
SFI Certification Sticker Included N
Diameter (mm) 348.175
Diameter (in) 1.161
Part Terminology Automatic Transmission Flexplate

Features & Benefits
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 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 bolt hole spacing and ring gear teeth just like the original part to ensure long life and durability

Application Summary

Pontiac Bonneville 76-65, Pontiac Catalina 76-65, Pontiac Executive 70-67, Pontiac Firebird 76-67, Pontiac GTO 73-65, Pontiac Grand Am 75-74, Pontiac Grand LeMans 76-75, Pontiac Grand Prix 76-65, Pontiac Grand Safari 76-71, Pontiac Grandville 75-71, Pontiac Laurentian 76, Pontiac LeMans 76-65, Pontiac Parisienne 76, Pontiac Star Chief 66-65, Pontiac Tempest 70-65, Pontiac Ventura 75-72
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