This Big End Performance SFI Flexplate for Small Block and 90 degree V6 Chevrolet's up to 1988 with 2-peice rear main seal and internal balanced. Has a 153-tooth ring gear (12.85 in. diameter). For use with converters that are using a 10.75 in. bolt pattern. SFI-29.1 approved for all NHRA or IHRA drag racing classes that require an SFI stickered flexplate. This flex plate is .35 thiker than stock flexplates. All Big End Performance flexplates come zinc plated for moisture resistence.
Features
- Ring Gear Tooth Quantity:
- 153-tooth
- Rear Main Seal Style:
- 2-piece
- Engine Balance:
- Internal
- Flexplate Material:
- Steel
- Safety Rating:
- SFI 29.1
- Converter Bolt Pattern:
- 10.750 in.
- Crankshaft to Flywheel Attachment:
- 6-bolt
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/5.7L/350
- Years:
- 1955-1986
- Engine Sizes:
- 6.5L/396-7.0L/427
- Years:
- 1966-1972
