The Speedmaster DNA® Billet Black Oxide SFI Flexplate (Part# 1-226-010) is engineered for small block and big block Chevy applications, including the SBC 350 and BBC 454 with a 2-piece rear main seal. Featuring a 168-tooth ring gear count and a durable black oxide billet construction, this flexplate meets SFI specification standards for added strength and safety in high-performance and racing environments.
Designed as a direct-fit replacement or performance upgrade for compatible Chevy SBC and BBC engines using a 2-piece RMS configuration, this flexplate delivers the reliability and precision that performance builders demand. The SFI certification makes it suitable for sanctioned racing events, while the billet black oxide finish provides corrosion resistance and a clean, professional appearance under the hood.
