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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

SKU: WISK240A6

Pistons

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

SKU: WISK240A6

Pistons
A$2,237.49
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

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

Data: v4.2 - Upd: 2026-11-09 07:37:00

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

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 20:16:37

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 wisK240A6
SFX Item ID 4764057
Accounting SKU wis-K240A6
Manufacturer SKU K240A6
Manufacturer UPC 193564071859
Alternative References K240A6, WIS-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 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
BrandWiseco
Manufacturer's Part NumberK240A6
Part TypePistons
Product LineWiseco Professional Series Pistons
UPC00193564071859
Piston Rings IncludedNo
Bore (in.)4.560 in.
Bore (mm)115.824mm
Stroke4.250 in.
Rod Length6.385 in.
Piston StyleDome, with single valve relief
Piston MaterialForged aluminum
Compression Height (in.)1.270 in.
Piston Head Volume (cc)-42.40cc
Wrist Pin StylePress-fit or floating
Wrist Pin Retainers IncludedYes
Wrist Pin IncludedYes
Pin Diameter (in.)0.990 in.
Piston Ring Thickness1/16 in. x 1/16 in. x 3/16 in.
File FitNo
GaplessNo
RemanufacturedNo
QuantitySold as a set of 8.
NotesHollow dome with full round type skirt design.

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