Speedmaster SBC 350 400 BBC 454 2PC RMS 11" 168 Tooth DNA Billet Black Oxide SFI Flywheel 1-229-002

The Speedmaster 1-229-002 is a two-piece RMS construction flywheel engineered for Chevy small-block (SBC 350, 400) and big-block (BBC 454) engines. Featuring 168 teeth and an 11" diameter, this billet black oxide flywheel delivers reliable engagement and smooth operation across a range of engine sizes. The DNA billet design provides superior strength and precision, while SFI certification ensures compliance with racing and performance standards.

The two-piece RMS (rubber mounted system) construction offers vibration dampening and reduced noise compared to solid units, making this flywheel suitable for both street and racing applications. Black oxide finishing provides corrosion resistance and a professional appearance. Whether you're building a high-performance engine, replacing a worn flywheel, or upgrading your drivetrain, the Speedmaster 1-229-002 combines durability with proven compatibility across multiple Chevy engine platforms.

Key Features & Benefits

• Billet Black Oxide Construction: Durable billet design with black oxide finish for corrosion resistance and professional appearance.
• Two-Piece RMS System: Rubber mounted system design reduces vibration and noise for smoother operation.
• 168 Tooth 11" Diameter: Compatible with Chevy SBC 350, 400, and BBC 454 engine configurations.
• SFI Certified: Meets SFI safety and performance standards for racing and high-performance applications.
• DNA Billet Design: Precision-engineered billet construction ensures strength and reliable engagement.

Specifications

Ideal Applications

• High-performance and racing engine builds
• Street and strip dual-purpose applications
• Engine swaps and drivetrain upgrades
• Custom engine performance projects