Drivetrain› Automatic Transmissions and Components

BLUEPRINT ENGINES

168-TOOTH STEEL SFI 14" FLEX PLATE

$192.77

SKU: B05J BPP399973

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In Stock
Ships by Jun 14
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The BluePrint Engines BPP399973 is a 168-tooth steel flexplate designed for GM vehicles. It features a 14-inch diameter and is compatible with 1-piece rear main seals. This flexplate is engineered for externally balanced engines with a 42.5 oz imbalance.

The flexplate meets SFI 29.1 safety rating and includes common 11.500 in. and 10.750 in. GM converter patterns. It is constructed from steel for durability.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandBLUEPRINT ENGINES
Part NumberB05J BPP399973

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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