Wiseco Professional Series Pistons K240A6 Pistons, Forged, Dome, 4.560 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Wiseco Professional Series Pistons K240A6 Pistons, Forged, Dome, 4.560 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Description
IMPORTANT NOTICE: Note for Pistons, Rings, Rotors, Rods and engine internalsUnless otherwise specified, some brands supply brake rotors, pistons, 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.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Wiseco, WISECO-PRO TRU StreetFX SKU wisK240A6 SFX Item ID 4764057 Accounting SKU wis-K240A6 Manufacturer SKU K240A6 Manufacturer UPC 193564071859 Alternative References K240A6, WIS-K240A6
Wiseco Chevy BB DRAG 1.270inchCH (6240A6) Piston Shelf Stock Kit
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco's Professional Series.
Additional Information
Wiseco Chevrolet Big Block Piston Set, 4.560 in. Bore, 1.270 in. Compression Height, 0.99 in. Pin Diameter, Professional, Set of 8.
Part Type
Engine Piston Set
Features and Benefits
- ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
- Designed and built to withstand heavy to severe duty performance applications
- Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
- Forced pin oiling
- Fully machined crown features
- Precision ring grooves, anti-detonation groove, and additional ring seal improving features
Data: v2 - Desc: v4.2 - Upd: 2026-10-16 01:25:10
Part Type
Engine Piston Set
Features
- ArmorGlide Skirt Coating: seizure resistant, friction reduction, and quieter operation
- Designed and built to withstand heavy to severe duty performance applications
- Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
- Forced pin oiling
- Fully machined crown features
- Precision ring grooves, anti-detonation groove, and additional ring seal improving features
Specifications
Pistons, Forged, Dome, 4.560 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Wiseco Professional Series pistons are designed to take the hard-driving abuse from your performance engine. They're forged from either 2168 or 4032 aluminum alloy for maximum strength, and then precision CNC-machined to their intricate final configurations under close tolerances. Where applicable, designs incorporate strength provisions to deal with turbocharging, supercharging, and nitrous. Chromoly wrist pins and Spirolox retainers are included. Choose the model tailored for your engine application.
| Product Attributes | |
|---|---|
| Brand | Wiseco |
| Manufacturer's Part Number | K240A6 |
| Part Type | Pistons |
| Product Line | Wiseco Professional Series Pistons |
| UPC | 00193564071859 |
| Piston Rings Included | No |
| Bore (in.) | 4.560 in. |
| Bore (mm) | 115.824mm |
| Stroke | 4.250 in. |
| Rod Length | 6.385 in. |
| Piston Style | Dome, with single valve relief |
| Piston Material | Forged aluminum |
| Compression Height (in.) | 1.270 in. |
| Piston Head Volume (cc) | -42.40cc |
| Wrist Pin Style | Press-fit or floating |
| Wrist Pin Retainers Included | Yes |
| Wrist Pin Included | Yes |
| Pin Diameter (in.) | 0.990 in. |
| Piston Ring Thickness | 1/16 in. x 1/16 in. x 3/16 in. |
| File Fit | No |
| Gapless | No |
| Remanufactured | No |
| Quantity | Sold as a set of 8. |
| Notes | Hollow dome with full round type skirt design. |
Reference Information
| Brand Name/s | Wiseco |
|---|---|
| StreetFX SKU | wisK240A6 |
| SFX Item ID | 4764057 |
| Supplier Item Code | 4764057 |
| Manufacturer SKU | K240A6 |
| Manufacturer UPC | 193564071859 |
Compatibility
No specific fitment data available for this part. For clarification, please contact us.
Detailed Compatibility
| Application Data | |
|---|---|
| Make | CHEVROLET |
| Beginning Year | 1991 |
| Ending Year | 1995 |
| Engine Type | V8 |
| Engine Family | Chevy big block Gen V |
| Engine Size | 8.2L/502 |
| Application Notes | 10.200 inch block height. Zero deck with 10.195 inch block height. Designed for open cylinder heads. |
| Make | CHEVROLET |
| Beginning Year | 1991 |
| Ending Year | 1995 |
| Engine Type | V8 |
| Engine Family | Chevy big block Gen V |
| Engine Size | 8.2L/502 |
| Application Notes | 9.800 inch block height. Zero deck with 9.780 inch block height. Designed for open cylinder heads. |
| Make | CHEVROLET |
| Beginning Year | 1996 |
| Ending Year | 2002 |
| Engine Type | V8 |
| Engine Family | Chevy big block Gen VI |
| Engine Size | 8.2L/502 |
| Application Notes | 10.200 inch block height. Zero deck with 10.195 inch block height. Designed for open cylinder heads. |
This may not be an exhaustive list of compatible vehicles. Please reach out to one of our representatives if you are unsure or do not see your vehicle here.
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