Allstar ALL26831 Flexplate | SFI 29.1 External Balance SBC 153T

The Allstar Performance SFI Flexplate (Part #ALL26831) is a heavy-duty, certified component designed for high-stress racing and performance applications using the Small Block Chevrolet (SBC) engine. This flexplate transfers engine power reliably to the automatic transmission.

SFI 29.1 Safety Certification Engineered to handle high-RPM stress and high-stall torque converters, this flexplate meets strict SFI Specification 29.1. This certification makes it legal and mandatory for most drag racing and competitive motorsports events, ensuring maximum rotational safety.

Key Specifications:

• Tooth Count: 153-Tooth ring gear.
  
  
• Balance: External Balance required for 1986-up SBC engines with 1-piece rear main seals.
  
  
• Material: Constructed from thick, high-strength steel (0.035 inches thicker than stock) for superior durability.
  
  
• Ring Gear: Features ring gears double-welded on both sides for maximum strength and reliability.
  
  
• Finish: Treated with a gold zinc chromate finish to resist corrosion.
  
  

Vehicle Application: This specific 153-tooth, external balance flexplate is designed for Small Block Chevrolet V8 and 90-degree V6 engines built from 1986 and later that utilize a one-piece rear main seal.