SunCoast L5P Billet Flex Plate Allison Transmission 2017+ Duramax

The SunCoast A1-BFP Billet Flex Plate is engineered for 2017-2025 GM 6.6L Duramax L5P trucks equipped with the Allison automatic transmission. Designed to handle the extreme torque and stress created by towing, racing, sled pulling, and high-horsepower diesel applications, this heavy-duty billet flex plate provides superior strength and durability over the factory stamped steel unit.

Precision-machined from premium billet steel and SFI-approved for competition use, the SunCoast billet flex plate is built to withstand demanding operating conditions while maintaining reliable power transfer and driveline performance.

Features

• Heavy-duty billet steel construction
• SFI-approved for competition use
• Designed for Allison-equipped L5P Duramax trucks
• Handles increased horsepower and torque loads
• Improves durability over factory flex plates
• Precision-machined for exact fitment
• Ideal for towing, racing, sled pulling, and performance applications
• Direct-fit replacement design

Why Upgrade the Flex Plate?

The factory flex plate can become a weak point in high-performance diesel applications, especially under heavy towing loads and increased power levels. The SunCoast A1-BFP Billet Flex Plate is engineered to provide the added strength and reliability needed to support demanding Duramax performance builds.

Vehicle Fitment

• 2017-2025 Chevrolet Silverado 2500HD 6.6L Duramax L5P
• 2017-2025 Chevrolet Silverado 3500HD 6.6L Duramax L5P
• 2017-2025 GMC Sierra 2500HD 6.6L Duramax L5P
• 2017-2025 GMC Sierra 3500HD 6.6L Duramax L5P
• Fits trucks equipped with the Allison automatic transmission

Built for Serious Duramax Performance

Whether your truck is used for towing, hot shot work, drag racing, sled pulling, or daily driving, the SunCoast A1-BFP Billet Flex Plate delivers the durability and reliability needed to support high-torque diesel applications.

Part Number: A1-BFP

Note: Professional installation is recommended. Always inspect or replace factory flex plate bolts during installation.

2027 Chevrolet Silverado 2500 HD
2027 Chevrolet Silverado 2500 HD Classic
2027 Chevrolet Silverado 3500 Classic
2027 Chevrolet Silverado 3500 HD
2027 GMC Sierra 2500 HD
2027 GMC Sierra 2500 HD Classic
2027 GMC Sierra 3500 Classic
2027 GMC Sierra 3500 HD
2026 Chevrolet Silverado 2500 HD
2026 Chevrolet Silverado 2500 HD Classic
2026 Chevrolet Silverado 3500 Classic
2026 Chevrolet Silverado 3500 HD
2026 GMC Sierra 2500 HD
2026 GMC Sierra 2500 HD Classic
2026 GMC Sierra 3500 Classic
2026 GMC Sierra 3500 HD
2025 Chevrolet Silverado 2500 HD
2025 Chevrolet Silverado 2500 HD Classic
2025 Chevrolet Silverado 3500 Classic
2025 Chevrolet Silverado 3500 HD
2025 GMC Sierra 2500 HD
2025 GMC Sierra 2500 HD Classic
2025 GMC Sierra 3500 Classic
2025 GMC Sierra 3500 HD
2024 Chevrolet Silverado 2500 HD
2024 Chevrolet Silverado 2500 HD Classic
2024 Chevrolet Silverado 3500 Classic
2024 Chevrolet Silverado 3500 HD
2024 GMC Sierra 2500 HD
2024 GMC Sierra 2500 HD Classic
2024 GMC Sierra 3500 Classic
2024 GMC Sierra 3500 HD
2023 Chevrolet Silverado 2500 HD
2023 Chevrolet Silverado 2500 HD Classic
2023 Chevrolet Silverado 3500 Classic
2023 Chevrolet Silverado 3500 HD
2023 GMC Sierra 2500 HD
2023 GMC Sierra 2500 HD Classic
2023 GMC Sierra 3500 Classic
2023 GMC Sierra 3500 HD
2022 Chevrolet Silverado 2500 HD
2022 Chevrolet Silverado 2500 HD Classic
2022 Chevrolet Silverado 3500 Classic
2022 Chevrolet Silverado 3500 HD
2022 GMC Sierra 2500 HD
2022 GMC Sierra 2500 HD Classic
2022 GMC Sierra 3500 Classic
2022 GMC Sierra 3500 HD
2021 Chevrolet Silverado 2500 HD
2021 Chevrolet Silverado 2500 HD Classic
2021 Chevrolet Silverado 3500 Classic
2021 Chevrolet Silverado 3500 HD
2021 GMC Sierra 2500 HD
2021 GMC Sierra 2500 HD Classic
2021 GMC Sierra 3500 Classic
2021 GMC Sierra 3500 HD
2020 Chevrolet Silverado 2500 HD
2020 Chevrolet Silverado 2500 HD Classic
2020 Chevrolet Silverado 3500 Classic
2020 Chevrolet Silverado 3500 HD
2020 GMC Sierra 2500 HD
2020 GMC Sierra 2500 HD Classic
2020 GMC Sierra 3500 Classic
2020 GMC Sierra 3500 HD
2019 Chevrolet Silverado 2500 HD
2019 Chevrolet Silverado 2500 HD Classic
2019 Chevrolet Silverado 3500 Classic
2019 Chevrolet Silverado 3500 HD
2019 GMC Sierra 2500 HD
2019 GMC Sierra 2500 HD Classic
2019 GMC Sierra 3500 Classic
2019 GMC Sierra 3500 HD
2018 Chevrolet Silverado 2500 HD
2018 Chevrolet Silverado 2500 HD Classic
2018 Chevrolet Silverado 3500 Classic
2018 Chevrolet Silverado 3500 HD
2018 GMC Sierra 2500 HD
2018 GMC Sierra 2500 HD Classic
2018 GMC Sierra 3500 Classic
2018 GMC Sierra 3500 HD
2017 Chevrolet Silverado 2500 HD
2017 Chevrolet Silverado 2500 HD Classic
2017 Chevrolet Silverado 3500 Classic
2017 Chevrolet Silverado 3500 HD
2017 GMC Sierra 2500 HD
2017 GMC Sierra 2500 HD Classic
2017 GMC Sierra 3500 Classic
2017 GMC Sierra 3500 HD

SKU: A1-BFP-4

GTIN:

Manufacture Name: Suncoast

Shipping Weight: 21

Shipping Length: 16

Shipping Width: 16

Shipping Height: 4

EO Number:

Cross Reference #

California Proposition 65 Warning - P65warnings.ca.gov