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JE Pistons 371790 Nissan VK56DE Forged Piston Set 3.858in Bore -17.3cc Inverted Dome 8-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

371790
5 reviews
Sale Price

$1,749.99

Estimated ship date Friday, November 27

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Product Details

The JE Pistons 371790 is a complete forged piston set for the Nissan VK56DE V8 engine, featuring a 3.858-inch bore diameter and a -17.3cc inverted dome/dish crown. Engineered for high-performance street and competition builds, this 8-cylinder set delivers the precision and durability that JE Pistons is renowned for in professional motorsports.

Key Features:

  • Bore Diameter: 3.858 in. (98.00 mm)
  • Crown Style: Inverted Dome / Dish (-17.3cc)
  • Set Quantity: 8 pistons (complete V8 set)
  • Engine Application: Nissan VK56DE V8
  • Forged construction from premium aluminum alloy for superior strength and heat resistance
  • CNC-machined to exacting tolerances for optimal fit and performance
  • Designed to withstand extreme cylinder pressures found in forced-induction and high-compression builds
  • Compatible with standard ring packages for the VK56DE platform

JE Pistons has been a trusted name among professional engine builders across NASCAR, NHRA, and other top-level motorsports series. Each piston in this set is manufactured in the USA and held to strict quality standards, making the 371790 an ideal upgrade for Nissan VK56DE performance applications.

Products specifications

Piston Quantity

8

Piston Material

2618

Prop 65

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

Engine Stroke

3.622

Bore Diameter

3.858

Make

NISSAN

Piston Head Type

Inv Dome/Dish

Compression Height

1.230

Forging Type

FSR

Industry

Automotive

Piston Volume

-17.3

Product Market

Sport Compact

Engine Type

ICE

Product Type

Engine Piston Kit

Wrist Pin Outer Diameter

0.866

Wrist Pin Length

2.250

Piston Average Weight

422

Lateral Gas Ports

No

Piston Series

JE Pistons

Wrist Pin Wall Thickness

0.180

2nd Groove Width

0.06

3D Undercrown Milling

No

Accumulator Groove

Yes

Anodize Top Ring Groove

No

Combo 2

No

Contact Reduction

No

Double Pin Oilers

No

DVGP

No

Econo Undercrown Milling

No

EN Plating

No

Exhaust Angle

14.5

Gas Distribution

No

Intake Angle

14.5

Mill Undercrown

No

Pin Fit

Yes

Piston To Wall Clearance

-0.004

Skirt Coat

Yes

Smooth Crown Finish

No

Thermal Crown

No

Top Groove Width

0.04800

Tuff Skirt

No

Ultra Dome

No

Ultra Groove

No

Ultra Groove Plus Gas Port

No

Vertical Gas Ports

No

Compression Ratio

0.37847222222222

Cylinder Head

VK56

Engine

VK56DE

Wrist Pin Material

5115 Low Carbon Steel, Case Hardened

Add-On

371792

Connecting Rod Length

6.081 IN

Exhaust Depth

.151

Exhaust Diameter

1.685

Intake Depth

.151

Intake Diameter

1.685

Oil Groove Width

0.15900

The tires I ordered were exactly what I wanted for a reasonable price and good delivery time. I'd be happy to order from Autoplicity again.

Arrived on time .. boxes were damaged pretty good from FedEx but wheels were ok

I found exactly what I needed quickly.

Fantastic, in stock, best price, fast shipping with good communications

Received ahead of schedule. Beautiful product! Perfect fit as well. Thank you.

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