These plates are clearly the superior choice for quality and precision. In addition, this is one of our "Pro Mod Extreme Strength" plates. Machined to exacting tolerances from 4340 round bar, our proprietary manufacturing process ensures the least runout and the best longevity on the market. All of our flexplates are certified to SFI 29.2.
Features
- Concentric machined to .005".
- One piece design - 100% machined.
- Proprietary heat treating process.
- Chamfered gear tooth provides better engagement.
- Fits Chevrolet standard crank.
- 139 tooth ring gear.
- 10 pitch gear form.
- Neutral balance.
- Weighs 9.6 pounds.
- Converter pattern 1 - 3 holes 7/16" diameter on 10.75" bolt circle.
- Converter pattern 2 - 3 holes 7/16" diameter on 11.50" bolt circle.
- Converter pattern 3 - 6 holes 7/16" diameter on 10.75" bolt circle.
- Note: Patterns 1 and 2 are 60 degrees apart to provide the 6 hole "split pattern".
- Ring Gear Tooth Quantity:
- 139-tooth
- Rear Main Seal Style:
- 2-piece
- Engine Balance:
- Internal
- Flexplate Material:
- Billet Steel
- Safety Rating:
- SFI 29.2
- Converter Bolt Pattern:
- 3 x 10.750 in./3 x 11.500 in./6 x 10.750
- Crankshaft to Flywheel Attachment:
- 6-bolt
- Quantity:
- Sold individually.
- Notes:
- 0.270 in. thick, 9.6 lbs. total weight.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.3L/265-5.7L/350
- Years:
- 1955-1985
