What material are these JE Pistons made from and why is it important?

These pistons are forged from 2618 aluminum. This material is chosen for its high tensile strength, which is essential for handling the extreme pressures and temperatures found in high-performance and racing engines.

What is the purpose of the Forged Side Relief (FSR) design?

The FSR design is a proprietary JE Pistons feature that minimizes friction and power loss. It achieves this through a reduced skirt width and a shorter wrist pin, which also helps to save weight on the rotating assembly.

Are these pistons compatible with all 350 SBC engines?

This set is specifically designed for the 350 Small Block Chevrolet (SBC) engine with a 4.040 inch bore. While designed for performance applications, it's always recommended to confirm that the bore size and compression distance (-1.8 cc dish) align with your specific engine build requirements.

JE Pistons 350 SBC ULTRA FT GP Forged Pistons 173616

Name: JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-350-sbc-ultra-ft-gp-set-of-8-pistons-t14-295224
Price: 1129.82 USD
Availability: BackOrder

JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons

$1129.82

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

JE Pistons 350 SBC ULTRA FT GP Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-tensile strength in demanding applications.

Key Features

Set includes 8 forged pistons for the 350 SBC engine.
Forged in the USA using 2618 aluminum for high tensile strength in performance applications.
Features proprietary Forged Side Relief (FSR) design to minimize friction and power loss.
Reduced skirt width and shorter wrist pin contribute to weight savings.
Flat top piston design with a -1.8 cc dish.
4.040 inch bore size.

This piston set is designed for the 350 Small Block Chevrolet (SBC) engine. Please verify compatibility with your specific engine build.

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Product Details

JE Pistons has applied over 75 years of experience to its wide range of forged pistons for domestic applications, and this ULTRA FT GP set for the 350 SBC is a prime example. These pistons are forged in the USA using 2618 aluminum, a material chosen for its high tensile strength, which is crucial for high-demand performance applications. They are designed specifically for the 350 Small Block Chevrolet engine to provide an optimized combination of performance and durability, whether you're building for the dirt track or the drag strip.

A notable design feature is the proprietary Forged Side Relief (FSR) forging. This design minimizes friction and power loss by using a reduced skirt width, and it also saves additional weight with a shorter wrist pin. Depending on the specific application, these pistons may also include an accumulator groove, which helps reduce pressure from combustion gases. This can lead to reduced ring fluttering and improved ring seal, ensuring consistent power delivery. Additionally, a skirt coating, if included for your application, further reduces friction and wear on the piston skirts and cylinder walls, contributing to a quieter operating engine.

This set includes eight pistons, each with a 4.040 inch bore, a flat top design with a -1.8 cc dish, and a 1.250 inch compression distance. The wrist pin diameter is 0.927 inches. Please note that these pistons are not CARB approved and cannot be shipped to California.