Wiseco Pistons PTS540A3 Pro Tru Forged Piston Set AMC 401 4.165 Bore

The Wiseco Pistons PTS540A3 is a high-performance forged piston set engineered specifically for AMC 401 cubic inch V8 engines. This Pro Tru series piston set features a dished dome design with -27cc volume, making it ideal for building reliable street or performance engines with controlled compression ratios.

Key Features:

• Precision forged from 4032 aluminum alloy for superior strength and durability
• 4.165 inch bore diameter with available oversizes up to 4.195 inches
• Dished dome configuration with -27cc volume for optimized compression
• Pro Tru series construction with ArmorGlide skirt coating for reduced friction
• Includes premium piston rings, wrist pins, and locks
• Designed for stock or mildly modified connecting rods
• Manufactured in the USA to strict OEM+ tolerances

Wiseco's forged piston technology provides exceptional strength-to-weight ratio and thermal stability, making these pistons suitable for street performance, hot rod builds, and moderate racing applications. The dished dome design helps achieve pump-gas friendly compression ratios while maintaining excellent combustion efficiency in AMC V8 engines.