SKU: PQX1040308
MPN: 1040308
The PRW Industries Chevy Flexplate Bolt Kit for 2001–2019 6.6L Diesel is a heavy-duty fastener set engineered for GM Duramax engines requiring secure torque converter attachment. This set of eight bolts features 16mm diameter with 1.5 thread pitch, 1.775-inch length, and precision-machined 12-point heads for controlled installation and removal. Black oxide coating provides corrosion resistance in engine bay environments where thermal cycling and moisture exposure demand durable fastening solutions.
Steel construction and OEM-equivalent specifications ensure compatibility with Duramax flex plate assembly and transmission bell housing interface. The 12-point head design allows positive engagement with hex sockets, reducing fastener stripping and enabling precise torque application—critical in high-horsepower diesel applications where transmission load is significant. Black oxide finish resists surface corrosion without adding dimensional bulk, maintaining OEM clearances and bolt hole tolerances.
Owners performing transmission service, rebuild, or flexplate replacement on 6.6L Duramax engines—including LB7, LLY, LBZ, LMM, and LML variants—rely on this kit to restore OEM fastening integrity. Whether addressing a worn flexplate, servicing a torque converter, or completing a transmission swap, having a complete OEM-spec bolt set eliminates the risk of mixing fasteners or using undersized substitutes. The kit's compact 3 x 1.5 x 4-inch package ships with all eight fasteners needed for one complete flexplate installation, weighing only 1.74 lbs.
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