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JE Pistons 289074 Forged Piston Set Bore Inverted Dome - 2618 3.406 6-Cylinder

Part of: JE Pistons Forged Piston Set Bore Inverted Dome

Other options in this family: JE Pistons 257943 JE Pistons 170818 JE Pistons 279930 JE Pistons 194888 JE Pistons 297116

Manufacturer

Picture for manufacturer JE Pistons

Part Number

289074
11 reviews
Sale Price

$1,324.99

Estimated ship date Saturday, November 14

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Product Details

The JE Pistons 289074 is a forged 6-piece piston set engineered for high-performance and racing applications. Built from 2618 aluminum alloy, these pistons deliver exceptional strength and thermal resistance under extreme cylinder pressures, making them a top choice for forced induction, nitrous, and high-revving race engines.

This set features an inverted dome/dish crown design for optimized combustion chamber geometry and precise compression ratio tuning. Key dimensional specifications include a 3.406-inch bore diameter, a 1.271-inch compression distance (CD), and a 0.827-inch pin diameter, ensuring accurate fitment and minimal clearance requirements during installation.

Key Features:

  • Alloy: 2618 forged aluminum — superior strength and fatigue resistance for high-stress environments
  • Crown Design: Inverted dome/dish for optimized compression and combustion efficiency
  • Bore Diameter: 3.406 inches
  • Compression Distance (CD): 1.271 inches
  • Pin Diameter: 0.827 inches
  • Set Quantity: 6 pistons — ideal for 6-cylinder engine applications
  • Manufactured using JE Pistons' in-house forging process and precision CNC machining
  • Designed to meet the demands of professional motorsports and performance street builds

JE Pistons has been an industry leader in forged racing pistons for over 70 years. Their pistons are engineered with cutting-edge technology and manufactured entirely in-house, ensuring consistent quality and performance at the highest levels of motorsport competition.

Products specifications

Engine

S50B32 EURO

Out of Stock Message

Call for Availability

Oil Ring Thickness

0.111

Product Market

Sport Compact

Ringset Included

Yes

Add-On

827-2500-15-51C

Piston Avg Wt

323

Second Compression Ring Thickness

0.048

Piston Material

2618

Piston Pin Outside Diameter

0.827

Forging Type

Round

Compression Height

1.271

Piston Volume

-25.4

Add-On

827-063-MW

Piston Head Type

Dish

Category Hierarchy

Pistons>Piston Kits

Make

BMW

Cylinder Head

S50B32 EURO

Bore Diameter

86.50

Top Compression Ring Thickness

0.04

Industry

Automotive

Add-On

JG1001-3405

Piston Pin Material

5115

Piston Pin Wall Thickness

0.150

Piston Pin Length

2.500

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Piston Quantity

6

Very good, liked that I could pay with Amazon.

Quick and easy

Overall easy and reasonable.. More coupons would be nice:)

Need to send back my brackets I just got today from you guys. They are not for my truck so I needed to get these ASAP

Great website & fair prices!

thanks

Good!

quick and easy

User-friendly website. Thanks!

Great product, Vette window louver. Install went well. (take your time, follow instructions to the letter). Look great on the car.

Great prices and ultra-quick order processing and shipping

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