Pro Tru Street Chevy Big Block Piston Set – 4.125 in. Bore – 1.760 .in CH, 21.00 CC
Wiseco Chevrolet Big Block Piston Set, 4.125 in. Bore, 1.760 in. Compression Height, 0.990 in. Pin Diameter, 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
Pro Tru Street
|Ring Set Included||
|Top Compression Ring Thickness||
|Second Compression Ring Thickness||
|Oil Ring Thickness||
|Wrist Pin Included||
|Wrist Pin Material||
|Wrist Pin Outer Diameter||
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.