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Essential 6713-3937 5.7 Stroker Small Block Mopar Hemi Gen Iii Fx Series -12cc Dish Top Gen Iii Hemi Forged Piston Set 3.937 Inch Bore Pin Dia.: 0.927" Comp Height: 1.21" Accessory [B6t2pUeN]

$55.99 $179.99 -69%

High-Performance Stroker Small Block Mopar Hemi Gen III Experience the ultimate power and performance with our 6713-3937 5.7 Stroker Small Block Mopar Hemi Gen III FX Series -12cc Dish Top Gen III Hemi Forged Piston Set. This exceptional set is desig

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High-Performance Stroker Small Block Mopar Hemi Gen III

Experience the ultimate power and performance with our 6713-3937 5.7 Stroker Small Block Mopar Hemi Gen III FX Series -12cc Dish Top Gen III Hemi Forged Piston Set. This exceptional set is designed for those seeking to push the limits of their engine's potential. With its precise engineering and top-tier materials, this piston set is a game-changer for any Mopar enthusiast.
  • Forged Piston Set
  • 3.937 inch bore

Technical Specifications and Features

Our piston set is engineered with meticulous attention to detail, featuring a 3.937 inch bore and a pin diameter of 0.927 inches. The comp height of 1.21 inches ensures optimal compression and power output. The full-floating or press fit design allows for flexibility in installation, while the 1.2/1.2/3MM ring groove provides excellent sealing and durability. The stroke of 3.795 inches and rod length of 6.125 inches are designed to enhance engine performance and efficiency.
  • Pin Dia.: 0.927"
  • Comp Height: 1.21"

Practical Applications and Benefits

Whether you're a professional racer or a weekend warrior, this piston set is a must-have for anyone looking to maximize their Mopar engine's performance. The high compression ratio of 65cc-9.91, 74cc-9.07, and 85cc-8.22 ensures superior power and efficiency. This set is compatible with the 370 Small Block Mopar Hemi Gen III, FX, making it an ideal upgrade for your vehicle. With its exceptional build quality and performance, this piston set is a wise investment for any Mopar enthusiast.
  • Full-Floating or Press Fit
  • Optimal Compression Ratio

What Our Customers Say

January 7, 2026

Absolutely no complaints!

It's a very durable product; I'm not worried about it breaking.

- Jane K..

January 7, 2026

Absolutely no complaints!

Arrived quickly and was even better than I'd hoped.

- Scarlett P..

January 7, 2026

Absolutely no complaints!

It's a very polished and well-finished product.

- Phoenix G..

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