Description
Piston and Ring - Pro Tru Street - Dome - Forged - 4.310 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 21.00 cc - Big Block Chevy - Kit
Wiseco Chevrolet Big Block 4.310in Bore 1.270in CH 21.00 CC Pro Tru Street 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, 4.310 in. Bore, 1.270 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 13:47:36
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: piston)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 | wisPTS522A6 |
| SFX Item ID | 4064264 |
| Accounting SKU | wis-PTS522A6 |
| Manufacturer SKU | PTS522A6 |
| Manufacturer UPC | 193564093431 |
| Alternative References | PTS522A6, WIS-PTS522A6, WPTPTS522A6 |
Piston, Pro Tru Street Series, 4.310 in. Bore, Forged Aluminum, Includes Wrist Pins and Ring Set, Chevrolet, 454, 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 | PTS522A6 |
| Part Type | Pistons |
| Product Line | Wiseco Pro Tru Street Pistons |
| UPC | 00193564093431 |
| Piston Rings Included | Yes |
| Bore (in.) | 4.310 in. |
| Bore (mm) | 109.474mm |
| Stroke | 4.250 in. |
| Engine Stroke Type | Stock |
| Rod Length | 6.385 in. |
| Piston Style | Dome, with no valve reliefs |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.270 in. |
| Piston Head Volume (cc) | -21.00cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.990 in. |
| File Fit | Yes |
| Gapless | No |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Manufacturer Attributes | |
|---|---|
| Compression Height | 1.270 |
| Piston Volume | 21.00 |
| Bore Diameter | 4.310 |
| Piston Material | 4032 |
| Piston Quantity | 8 |
| Category Hierarchy | Auto>Pistons>Piston Kits>Domestic>Pro Tru Street |
| Industry | Automotive |
| Engine | Big Block |
| Engine - Web | Big Block |
| Make | Chevrolet |
| Make - Web | Chevrolet |
| Product Market | Domestic |
| Product Type | Engine Piston Set |
| Engine Type | ICE |
| Product Series | Pro Tru Street |
| Title | Pro Tru Street - Chevrolet, Big Block, 4.310 in. Bore, Piston Set |
| Title - Web | Pro Tru Street Chevy Big Block Piston Set - 4.310 in. Bore - 1.270 .in CH, 21.00 CC |
| Forging Type | Slab Side |
| Skirt Coating | Yes |
| Oil Ring Thickness | 3/16 |
| Ring Set Included | Yes |
| Second Compression Ring Thickness | 1/16 |
| Top Compression Ring Thickness | 1/16 |
| Wrist Pin Included | Yes |
| Wrist Pin Material | 5115 |
| Wrist Pin Outer Diameter | 0.990 |
| Wrist Pin Style | Floating |
| Out of Stock Message | Estimated Shipped Date 3-4 Weeks |
| Manufacturer Designation | Piston Set, Chevrolet, Big Block, 4.310 in. Bore, Pro Tru Street, Set of 8 |
| Product Class | Engine Piston Set |
| Construction/Type | Wiseco Chevrolet Big Block Piston Set, 4.310 in. Bore, 1.270 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8. |
| Vehicle Designations | Chevrolet Big Block |
| Product Outline | <ul><li>ArmorGlide? Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation</li><li>4032 Forged Aluminum</li><li>AS-Forged Dome with Crown Features & Oil Drain Backs</li><li>Chromium Alloy Steel Piston Pin & Spirolox? Included</li></ul> |
| Vehicle Brief | Chevy BB PROTRU #3 +21CC 1.270 CH |
| Market Description | 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. |
Compatibility
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