Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

ALLISON 17-UP L5P BILLET FLEXPLATE

$581.67

SKU: S02K A1-BFP-4

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Sun Coast Converters A1-BFP-4 is a one-piece billet steel flex plate designed to replace the factory flex plate in 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P trucks. It offers superior strength and is SFI certified.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandSun Coast Converters
Part NumberS02K A1-BFP-4

Videos

Duramax LMM Knocking Pt.4: Suncoast Diesel 1800-Low-Stall Converter & Billet Flex-plate Installation

Duramax LMM Knocking Pt.4: Suncoast Diesel 1800-Low-Stall Converter & Billet Flex-plate Installation

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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