PRW Industries 1845401 Gold Series SFI Chromoly Flexplate 168-Tooth External Balance Big Block Chevy

The PRW Industries 1845401 Gold Series SFI-Rated Chromoly Steel Flexplate is a high-performance direct bolt-on drivetrain component engineered for Big Block Chevy 454 Gen V and Gen VI engines with a 1-piece rear main seal and external engine balance. Featuring a 168-tooth ring gear and a 14.00-inch diameter, this flexplate is built to withstand the demands of modern high-horsepower applications.

Key Features:

• SFI 29.1 Certified — meets strict Safety Foundation International standards for sanctioned racing and high-performance use
• Chromoly Steel Construction — superior strength and durability over standard steel flexplates
• 4mm Thick Centerplate — provides a solid, reliable foundation designed to handle extreme duty applications
• Precision Double-Welded Ring Gear — robotic machinery and cold-welding processes ensure consistent, lasting durability
• 168-Tooth Ring Gear — correct tooth count for Big Block Chevy Gen V/VI 454 applications
• Dual Converter Bolt Patterns — compatible with both 3 x 10.75 in. (TH350/700R4) and 3 x 11.50 in. (TH400) torque converter patterns
• 1-Piece Rear Main Seal Design — matches late-style 1991–1997 Big Block Chevy engines
• External Engine Balance — correct for Gen V and Gen VI 454 cubic inch applications
• 6-Bolt Crankshaft Attachment — direct factory-style mounting
• Rigorously inspected throughout the manufacturing cycle for consistent quality
• Sold individually

The PRW Gold Series flexplate is compatible with TH350, TH400, and 700R4 automatic transmissions. It is designed to fit standard OEM, aftermarket replacement, and high-performance torque converters, making it a versatile upgrade for street and strip builds alike.