The Speedmaster DNA® Billet SFI Flexplate (Part# 1-226-002) is engineered for Chevy Small Block 350 and Big Block 454 applications using a 2-piece rear main seal and 168-tooth ring gear configuration. Built to SFI specifications, this billet construction flexplate is designed to meet the demands of high-performance and racing environments where strength and reliability are critical.
The 168-tooth ring gear ensures proper starter engagement, and the SFI-certified design makes this flexplate a trusted choice for sanctioned racing use. If you're building or upgrading a Chevy SBC or BBC with a 2-piece RMS, this Speedmaster flexplate delivers the durability and performance integrity your build requires.
