Size Chart
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SKU: K398X3903 / UPC: 00193564072382
The Wiseco Professional Chevy LS Piston Set. Engineered for serious racers and builders, this premium piston kit is the top choice for those who demand the best in durability, precision, and power. Designed and manufactured in the USA, Wiseco’s Professional Series pistons are crafted from high-strength 2618 aluminum, delivering superior tensile strength and reliability under the most extreme conditions. Whether you’re building a high-boost, nitrous-fed race engine or a street-driven performance machine, this piston set is your go-to solution for unmatched performance and longevity.
Why Choose Wiseco?
What’s Included?
Vehicle Fitment
The Wiseco K398X3903 Piston Set is compatible with a wide range of Chevrolet small block Gen III/IV (LS-based) engines. Below is a detailed fitment list for specific year, make, model, trim, and engine configurations:
|
Year |
Make |
Model |
Trim |
Engine |
|
2004 |
Chevrolet |
Corvette |
Base Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2004 |
Chevrolet |
Corvette |
Base Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2004 |
Chevrolet |
Corvette |
Base Hatchback 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2004 |
Chevrolet |
Corvette |
Z06 Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2004 |
Pontiac |
GTO |
Base Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
50th Anniversary Edition Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
50th Anniversary Edition Hatchback 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
50th Anniversary Edition Pace Car Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
Base Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
Base Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
Base Hatchback 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2003 |
Chevrolet |
Corvette |
Z06 Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Camaro |
Z28 Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Camaro |
Z28 Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Camaro |
Z28 SS Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Camaro |
Z28 SS Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Corvette |
Base Convertible 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
|
2002 |
Chevrolet |
Corvette |
Base Coupe 2-Door |
5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated |
Note: Always confirm vehicle compatibility with your specific engine configuration before purchasing.
Why Wiseco is the #1 Choice
Unlike other piston sets, the Wiseco K398X3903 combines race-ready features with street-friendly durability. Its flat-top design with -3.2cc valve reliefs optimizes compression ratios for LS engines, while the ArmorGlide® coating ensures smooth, quiet operation. Competitors may offer similar bore sizes, but none match Wiseco’s precision engineering, premium materials, and proven track record in high-stakes racing environments. This piston set is built to handle the rigors of high-boost, nitrous, or naturally aspirated builds, making it the ultimate choice for enthusiasts and professionals alike.
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