Are Wiseco Pistons Good?

March 25, 2021

Question: Are Wiseco pistons good?

Wiseco has been making pistons since the 1940s for performance engines. They are a well-known brand.

I used a set of Wiseco pistons in a late ’80s small block Chevy 350 cubic inch motor many years ago. They worked just fine.

I, also, used a set in an ATV rebuild years ago, and they worked well, too.

Bestseller No. 1

Wiseco's forged pistons are tougher and more durable than cast pistons, and will stand up to the abuse that high performance motorsport applications require
Piston kits contain one piston, rings, piston pin and piston pin circlips
25787XA ring set
223cc

Bestseller No. 2

2-stroke kits feature the Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life
Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
Resistance to impact and fatigue

Bestseller No. 3

Piston domes are designed for optimal quench during the compression / combustion cycle, resulting in resistance to detonation and pre-ignition; the end product is longer engine life and increased horsepower potential
Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
Resistance to impact and fatigue

Bestseller No. 4

Fits: Honda CR125R (56mm bore) 2003-04
Contains all the necessary gaskets and O-rings to rebuild your top end
Wiseco gasket kits are made from the highest quality materials and engineered by Wiseco to insure compatibility with Wiseco pistons and crankshafts
Each gasket kit is sourced in-house to find the most reliable, high quality suppliers available
Ensures a critical seal and superior durability that meets and exceeds OEM specifications

Bestseller No. 5

2-stroke kits feature the Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life
Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
Resistance to impact and fatigue

Bestseller No. 6

Bestseller No. 7

Bestseller No. 8

2-stroke kits feature the Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life
Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
Resistance to impact and fatigue

Bestseller No. 9

Important note: This piston is for a stock or oversized bore.
Please measure your cylinder to check clearance before ordering.
Wiseco leads the performance aftermarket by producing the highest quality forged pistons in the U.S.A.
Wiseco is unique because they forge all of their own pistons in-house, and produce all of their own forge tooling in the U.S.A.
This allows Wiseco to control all aspects of their manufacturing process from raw bar to skirt coating on the finished parts.

Bestseller No. 10

Forged from high-silicon aluminum alloy for maximum strength and dependability.
Innovative forging design and piston skirt provide maximum horsepower and torque.
Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).
Oversize pistons require cylinder sleeving.
SPECIFICATIONS

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