Speedmaster Chevy SBC 350 BBC 454 2PC RMS 168 Tooth DNA Billet SFI Flexplate 1-226-002

The Speedmaster Chevy SBC 350 BBC 454 2PC RMS 168 Tooth DNA Billet Flexplate (model 1-226-002) is a high-performance billet flexplate engineered for small-block Chevy (SBC 350) and big-block Chevy (BBC 454) engine applications. This 2-piece design features 168 teeth and RMS (reciprocating mass system) construction for optimal torque converter engagement and smooth power delivery.

Built from billet material with DNA designation, this flexplate delivers durability and precision engineering for serious engine builders and performance enthusiasts. The SFI certification ensures compliance with safety standards for racing and high-performance use. The two-piece construction allows for easier assembly and serviceability compared to single-piece alternatives, making it an excellent choice for engine rebuilds, stroker conversions, and custom automotive projects requiring reliable torque converter interface components.

Key Features & Benefits

• 168 Tooth Design: 168-tooth count provides precise torque converter engagement and consistent power transmission across SBC and BBC engine applications.
• Billet Construction: Precision-engineered from billet material for superior strength and reliability in high-performance engine builds.
• 2-Piece RMS System: Two-piece reciprocating mass design simplifies assembly and allows for easier service and customization.
• SFI Certified: SFI certification confirms this flexplate meets safety and performance standards for racing and extreme-duty applications.
• Multi-Engine Compatibility: Fits Chevy SBC 350, BBC 454, and related variants without requiring additional adapters or modifications.

Specifications

Ideal Applications

• SBC 350 and BBC 454 engine rebuilds and overhauls
• High-performance stroker engine conversions and modifications
• Racing and competition engine builds requiring SFI compliance
• Custom automotive projects and engine swaps using compatible Chevy V8 blocks