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Automatic transmission flex plate
Part # Z-270 | Line Code: ATP


Not Fitted / Universal

Product Details
Tooth Quantity 168
Inside Diameter 3.125
Mounting Hole Diameter 11.5
Outside Diameter 14.125
LineCode ATP4
Weight Added N
Pitch Flywheels 12 TO 14
Teeth 168
Heavy Duty Supplier Yes
Contents or Additional Details Crank mounting
SFI Approved N
Safety Rating N/A
SFI Certification Sticker Included N
Diameter (mm) 358.775
Diameter (in) 1.177
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

Chevrolet Express 2500 09-03, Chevrolet Express 3500 09-03, Chevrolet Express 4500 09, Chevrolet Silverado 1500 06-03, Chevrolet Silverado 1500 HD 06-05, 03-01, Chevrolet Silverado 1500 HD Classic 07, Chevrolet Silverado 2500 04-99, Chevrolet Silverado 2500 HD 06-01, Chevrolet Silverado 2500 HD Classic 07, Chevrolet Silverado 3500 06-01, Chevrolet Silverado 3500 Classic 07, Chevrolet Suburban 2500 07-03, GMC Savana 2500 09-03, GMC Savana 3500 09-03, GMC Savana 4500 09, GMC Sierra 1500 05, GMC Sierra 1500 HD 06-05, 03-01, GMC Sierra 1500 HD Classic 07, GMC Sierra 2500 04-99, GMC Sierra 2500 HD 06-01, GMC Sierra 2500 HD Classic 07, GMC Sierra 3500 06-01, GMC Sierra 3500 Classic 07, GMC Yukon 01, GMC Yukon XL 1500 03-01, GMC Yukon XL 2500 07-00
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