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Complete 6303-4100 340 Small Block Mopar Fx Series -16cc Dish Top Small Block Mopar Forged Piston Set 4.100 Inch Bore Pin Dia.: 0.984" Comp Height: 1.802" Holiday Cheer Edition [CP5I2zud]

$55.99 $179.99 -69%

High-Performance 340 Small Block Mopar PistonsIntroducing the 6303-4100 340 Small Block Mopar FX Series -16cc Dish Top Small Block Mopar Forged Piston Set. This premium piston set is designed for those seeking top-notch performance and reliability fo

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High-Performance 340 Small Block Mopar Pistons

Introducing the 6303-4100 340 Small Block Mopar FX Series -16cc Dish Top Small Block Mopar Forged Piston Set. This premium piston set is designed for those seeking top-notch performance and reliability for their Mopar engines. Crafted with precision, these pistons are the perfect addition to your engine, offering exceptional durability and enhanced power output.
  • Forged Construction: Engineered from high-quality forged aluminum, these pistons are built to withstand extreme heat and pressure, ensuring a long-lasting performance.
  • Optimal Clearance: With a bore diameter of 4.100 inches and a pin diameter of 0.984 inches, these pistons provide optimal clearance for smooth engine operation.

Key Specifications and Features

This piston set boasts an impressive list of features and specifications that make it a standout choice for Mopar enthusiasts. The dish top design contributes to increased compression and power, while the 1.802-inch comp height ensures a balanced and efficient combustion process.
  • Compression Height: The 1.802-inch comp height is tailored to provide optimal compression ratios for high-performance engines.
  • Ring Groove: The ring groove design measures 1/16-1/16-3/16 inches, offering superior sealing and reduced oil consumption.
With a stroke of 3.310 inches and a rod length of 6.123 inches, these pistons are designed to work harmoniously with your engine, delivering exceptional power and efficiency.

Applications and Benefits

Whether you're a professional racer or a weekend warrior, the 6303-4100 340 Small Block Mopar Pistons are perfect for a wide range of applications. Their full-floating or press-fit design ensures easy installation and a secure fit, while the approximate compression ratios of 62cc-9.27, 64cc-9.09, and 72cc-8.42 make them versatile for various engine builds.
  • Performance Enhancement: These pistons are engineered to enhance engine performance, providing increased power and efficiency.
  • Reliability: With their durable construction and precise engineering, these pistons offer unparalleled reliability and peace of mind.
Upgrade your Mopar engine today with the 6303-4100 340 Small Block Mopar Pistons and experience the difference in performance and reliability.

What Our Customers Say

January 13, 2026

Absolutely no complaints!

A great product. I am so happy with it all around the town.

- Lleu K..

January 13, 2026

Absolutely no complaints!

It's a perfect 10 out of 10 in my humble opinion.

- Riordan E..

January 13, 2026

Absolutely no complaints!

This is a very good, very, very, very, very, very fine tool.

- Lludd H..

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