As engine performance levels increase, stronger flexplates become a necessity. This B&M flexplate is engineered to handle the extra stresses of high RPM and extreme duty applications. It meets the SFI 29.1 specifications for automatic transmission flexplates, and is legal for all classes in NHRA and IHRA. An SFI certification sticker is included (recertification is required every three years).
APPLICATION: Chevrolet - '90 & earlier Chevrolet 454 ext. balanced BB V8 with 168 tooth ring gear & 10-3/4" & 11-1/2" bolt circle
Features
- Ring Gear Tooth Quantity:
- 168-tooth
- Rear Main Seal Style:
- 2-piece
- Engine Balance:
- External
- Flexplate Material:
- Steel
- Safety Rating:
- SFI 29.1
- Converter Bolt Pattern:
- 10.750 in./11.500 in.
- Crankshaft to Flywheel Attachment:
- 6-bolt
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 7.4L/454
- Years:
- 1970-1990
