Wiseco Pro Tru Street Pistons PTS503A4 Pistons, Pistons, 4.040 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, Kit
Wiseco Pro Tru Street Pistons PTS503A4 Pistons, Pistons, 4.040 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, Kit
Description
Wiseco Pro Tru Street Chevy Small Block 4.040in Bore 1.560in CH -5.00 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 Small Block Piston Set, 4.040 in. Bore, 1.560 in. Compression Height, 0.927 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 20:19:59
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 | wisPTS503A4 |
| SFX Item ID | 4767569 |
| Accounting SKU | wis-PTS503A4 |
| Manufacturer SKU | PTS503A4 |
| Manufacturer UPC | 193564092892 |
| Alternative References | PTS503A4, WIS-PTS503A4 |
Pistons, Pro Tru Street Pistons, 4.040 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, Kit
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 | PTS503A4 |
| Part Type | Pistons |
| Product Line | Wiseco Pro Tru Street Pistons |
| UPC | 00193564092892 |
| Piston Rings Included | Yes |
| Bore (in.) | 4.040 in. |
| Bore (mm) | 102.616mm |
| Stroke | 3.480 in. |
| Rod Length | 5.700 in. |
| Piston Style | Flat top, with two valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.560 in. |
| Piston Head Volume (cc) | +5.00cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.927 in. |
| File Fit | Yes |
| Gapless | No |
| Top Ring Thickness | 1/16 in. |
| Top Ring Material | Ductile iron |
| Top Ring Facing Material | Plasma-moly |
| Second Ring Thickness | 1/16 in. |
| Second Ring Material | Iron |
| Second Ring Facing Material | Phosphate coated |
| Oil Ring Thickness | 3/16 in. |
| Oil Ring Material | Carbon steel |
| Oil Ring Facing Material | Chrome |
| Oil Ring Tension | Standard |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
Compatibility
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