PRW Gold Series 1845400 Chromoly Flexplate, SFI 29.1, 168-Tooth, External Balance for Big Block Chevy

The PRW Industries Gold Series 1845400 flexplate is engineered for Big Block Chevy applications requiring dependable power-transfer performance and certified safety. Manufactured from high-strength chromoly steel, this 168-tooth flexplate is designed to support demanding street, drag racing, and high-performance applications while maintaining precise engagement with compatible starters and torque converters.
The flexplate carries an SFI 29.1 certification, making it suitable for racing environments that require approved flexplate construction. Its external-balance design is intended for externally balanced Big Block Chevy engines, helping preserve the correct rotating assembly balance when paired with the appropriate harmonic damper, crankshaft, torque converter, and engine components. Verify application and balance requirements before installation.
This PRW Gold Series flexplate features a two-piece rear main seal configuration and is supplied as an individual flexplate. Precision manufacturing helps promote consistent fitment and reliable operation under demanding conditions. The 168-tooth ring gear provides broad compatibility with matching Chevrolet starter and transmission combinations, while the robust chromoly construction delivers enhanced durability for repeated high-load use. Choose PRW part number 1845400 when building or servicing an externally balanced Big Block Chevy drivetrain that requires SFI-certified protection and performance.

Features:

• Brand: PRW Industries Gold Series

• Part Number: 1845400

• Material: High-strength chromoly steel

• Tooth Count: 168-tooth ring gear

• Certification: SFI 29.1 certified

• Balance: External balance design

• Engine Application: Big Block Chevy

• Rear Main Seal: Compatible with two-piece seal applications

• Quantity: Sold individually