Wiseco PTS540A45 Piston Set AMC 401 4.210" Bore Pro Tru Street 8pc

Piston Set, AMC, 401, 4.210 in. Bore, Pro Tru Street, Set of 8 Our Pro Tru? Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all-inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track. ArmorGlide Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation 4032 Forged Aluminum AS-Forged Dome with Crown Features & Oil Drain Backs Chromium Alloy Steel Piston Pin & Spirolox Included