Speedmaster 1-226-009 153-Tooth DNA Billet SFI Flexplate for Chevy SBC 350 BBC 454

The Speedmaster 1-226-009 is a premium 153-tooth billet flexplate designed for Chevy small-block (SBC 350), big-block (BBC), and 454 engines. Constructed from billet material with a durable black oxide finish, this two-piece flexplate is engineered for high-performance applications and meets SFI safety standards for drag racing and street performance use.

This flexplate is ideal for engine builders and automotive enthusiasts upgrading their Chevy powerplant with reliable torque converter engagement. The 153-tooth count is sized specifically for these Chevrolet engine families, ensuring proper synchronization with your transmission's torque converter. The billet construction provides strength and precision machining, while the SFI certification gives you confidence in safety and performance reliability during demanding driving conditions.

Key Features & Benefits

• 153-Tooth Design: Precisely engineered tooth count for proper torque converter engagement on Chevy SBC, BBC, and 454 engines.
• Billet Construction: Premium billet material provides superior strength and durability compared to cast alternatives.
• Black Oxide Finish: Corrosion-resistant coating protects against oxidation and enhances appearance.
• Two-Piece Design: 2PC configuration allows for easier assembly and maintenance.
• SFI Certified: Meets SFI safety standards for sanctioned racing and high-performance street applications.

Specifications

Ideal Applications

• High-performance engine builds and rebuilds for Chevy small-block and big-block applications
• Drag racing and sanctioned motorsports requiring SFI-certified components
• Street performance upgrades for Chevrolet engine swaps and restorations
• Torque converter replacement and transmission upgrade projects