Wiseco Pro Tru Street Pistons PTS524AS Piston, Series, 4.255 in. Bore, Forged Aluminum, Chevrolet, Vortec, 8.1L, Set of 8
Wiseco Pro Tru Street Pistons PTS524AS Piston, Series, 4.255 in. Bore, Forged Aluminum, Chevrolet, Vortec, 8.1L, Set of 8
Description
Wiseco Pro Tru Street Chevy Big Block 4.255in Bore 1.350in CH -2.00 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.
Additional Information
Wiseco Chevrolet Big Block Piston Set, 4.255 in. Bore, 1.350 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8.
Part Type
Engine Piston Set
Features
- 4032 Forged Aluminum
- ArmorGlide Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation
- AS-Forged Dome with Crown Features & Oil Drain Backs
- Chromium Alloy Steel Piston Pin & Spirolox Included
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 20:18:00
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: pistons)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Wiseco, WISECO-PRO TRU |
| StreetFX SKU | wisPTS524AS |
| SFX Item ID | 4765491 |
| Accounting SKU | wis-PTS524AS |
| Manufacturer SKU | PTS524AS |
| Manufacturer UPC | 193564093516 |
| Alternative References | PTS524AS, WIS-PTS524AS |
Piston, Pro Tru Street Series, 4.255 in. Bore, Forged Aluminum, Chevrolet, Vortec, 8.1L, Set of 8
Are you looking for affordable high performance for your street machine? Wiseco Pro Tru Street pistons are right up your alley! These forged 4032 aluminum pistons are complete with chromium alloy steel piston pins and Spirolox. Oversized, symmetrical, radiused valve pockets allow for maximum flow around the valves during overlap—and accommodate oversized valves and high-lift cams. Wiseco's proprietary ArmorGlide skirt coating extends piston life, increases horsepower, reduces noise, and offers much tighter dimensional tolerances than typical spray-on coatings. Choose the set designed for your vehicle and engine application. World-class, precision-machined high performance pistons—that's Wiseco value!
| Product Attributes | |
|---|---|
| Brand | Wiseco |
| Manufacturer's Part Number | PTS524AS |
| Part Type | Pistons |
| Product Line | Wiseco Pro Tru Street Pistons |
| UPC | 00193564093516 |
| Piston Rings Included | No |
| Bore (in.) | 4.255 in. |
| Bore (mm) | 108.077mm |
| Stroke | 4.370 in. |
| Engine Stroke Type | Stock |
| Rod Length | 6.700 in. |
| Piston Style | Flat top, with two valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.340 in. |
| Piston Head Volume (cc) | +2.00cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.990 in. |
| File Fit | No |
| Gapless | No |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Notes | Requires aftermarket connecting rods for .990 in. pins and 6.700 in. length. |
Compatibility
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