Wiseco PTS520AS Wiseco Pro Tru Street Chevy Big Block 4.250in Bore 1.760in CH 21.00 CC Piston Set

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.

• Special Piston 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