Chevy BBC 454 2Pc Rms 168 Tooth 11" External Balance Heavy Duty Flexplate Convert any one-piece GM TH400

Convert any one-piece GM TH400 case into a two-piece case with our Speedmaster TH400 case adapter

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

where dynamic flow and rock-steady pressure control are desired

Other features include availability in several colors

please note that some modification to your stock fuel line may be necessary to adapt to our fuel rail system

Chevy BBC 454 2Pc Rms 168 Tooth 11" External Balance Heavy Duty Flexplate Convert any one-piece GM TH400Speedmaster flexplates make excellent upgrades to your stock design. They feature extra thick steel that's double welded to the ring gear for added strength and anodized for corrosion resistance. Speedmaster flexplates will withstand the extreme power and rpm of today's engines.