What specific engine dimensions do these pistons fit?

These JE Pistons are designed for a 3.796 inch bore. They feature a 1.560 inch compression distance and a 0.927 inch wrist pin, with a flat-top design and a -5.0cc dish.

Are these pistons suitable for all types of racing?

JE Pistons are proven in various racing applications, from dirt track to drag strip. The 2618 aluminum construction and features like FSR design and skirt coatings are intended for high-demand performance use.

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

The FSR design minimizes friction and power loss by using a reduced skirt width and a shorter wrist pin. This also contributes to saving weight on the piston assembly.

JE Pistons 305 SBC FT Piston Set 170772

Name: JE Pistons 305 SBC FT Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-305-sbc-ft-set-of-8-pistons-t14-295204
Price: 1001.43 USD
Availability: BackOrder

JE Pistons 305 SBC FT Set of 8 Pistons

$1001.43

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 305 SBC FT Set of 8 Pistons. Forged in the USA from 2618 aluminum for high-demand performance.

Key Features

Fits 305 SBC engines with a 3.796 inch bore.
Set includes eight flat-top pistons.
Forged in the USA using 2618 aluminum for high tensile strength.
Proprietary Forged Side Relief (FSR) design minimizes friction and power loss.
Features a 1.560 inch compression distance and a 0.927 inch wrist pin.
May include an accumulator groove to improve ring seal and reduce flutter.

This piston set is designed for 305 SBC engines. Not CARB approved and cannot ship to California.

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Product Details

This kit gets you a complete set of eight JE Pistons 305 SBC FT flat-top pistons, ready for your small-block Chevy build. These aren't just any pistons; they're forged in the USA from 2618 aluminum, a material chosen for its high tensile strength, making them well-suited for high-demand performance applications where durability is key. JE Pistons brings over 75 years of experience to the table, engineering these specifically for the 305 SBC engine to balance strength with reduced friction and weight.

You'll find a few notable features designed to help your engine perform its best. The proprietary Forged Side Relief (FSR) design uses a reduced skirt width and a shorter wrist pin to cut down on friction and power loss, while also saving weight. Depending on the specific application, you might also find an accumulator groove, which helps manage combustion gas pressure to improve ring seal and prevent fluttering, leading to more consistent power. Some applications also include a skirt coating that works to reduce friction and wear on the piston skirts and cylinder walls, which can also help quiet down engine noise during operation. Every step, from engineering to machining, is done right here in the USA.

This set is designed for a 3.796-inch bore with a 1.560-inch compression distance and a 0.927-inch wrist pin. Please note that these pistons are not CARB approved and cannot be shipped to California. They are also subject to Prop 65 warnings.