Speedmaster 1-226-012 166 Tooth Billet Flexplate, Olds 400-455
400 Oldsmobile V8, 425 Oldsmobile V8, 455 Oldsmobile V8, 166 Tooth Count, 29.2 SFI Rating
Speedmaster flexplates are the best on the market, made from 4340 round bar to exact tolerances. This one piece billet steel flexplate offers the strongest gear teeth, the least runout, and best longevity on the market. Every Speedmaster flexplate is 29.2 SFI Approved and will withstand the extreme power and rpm of your performance application. Features a bolt on weight for internal and external balance options.
- 166 tooth
- Steel construction
- Internally balanced
- Black finish
- Fits Oldsmobile 400-455
- Sold each
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Q & A
Finally, Project Chevelle gets a real hot rod engine under its hood! And what about that flimsy old column shift three-speed? We've got that covered too.
Pat talks about our LS flexplate options.
Tim talks about why using a new pedal assembly may be better for your project than the original pedal assembly.
There are a few things to consider before you select a replacement flexplate for your small-block Chevy engine. Speedway has some useful tips to follow that will help speed up the process.
One of the most challenging things about swapping transmissions can be figuring out the clutch linkage. Speedway can show you how to install the upgraded hydraulic throwout bearing with ease.
Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.
We finally get to drive Project Chevelle after the big engine swap, and it's pretty awesome. Rowing through the gears with our new Tremec 5-speed isn't bad either!