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Piston Set, 2618, Dome, 3.504 Bore, 1.035 CD, 0.787 Pin, Set of 1.

Part Number 247612 (132899154)
UPC: 193564028853
Package contents: 1 Each per Box
Select vehicle for guaranteed fit
MADE IN USA
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Description

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for ATV engines. Engineered, forged and machined 100 percent in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From motocross to dirt track and everything in between, JE Pistons' performance is proven with every handful of throttle and wave of the checkered flag. Equip your quad with the best in forged pistons.

Fitment

This part fits the following vehicles.

Honda

  • 1996-2004 XR400R

Features & benefits

  • Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
  • Race-inspired two-ring design promotes quick revving and throttle response for noticeable power
  • Designed specifically for Honda XR 400/ TRX 400EX/ TRX 400X Engines to provide optimized performance durability
  • Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
  • Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
  • Made 100% in the USA
  • Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
  • Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.
  • Designed specifically for each engine and use application to provide optimized performance durability

Specifications

2nd Groove Width 0.048 in
3D Undercrown Milling No
Accumulator Groove Yes
Anodize Top Ring Groove No
Bore Diameter 89.00 mm
Combo 2 No
Compression Height 1.035
Compression Ratio 0.42222222222222
Compression Ratio Actual 10.80:1
Contact Reduction No
Country Of Origin USA
Cylinder Head EX/XR 400 R
Double Pin Oilers No
DVGP No
Econo Undercrown Milling No
EN Plating No
Engine Honda
Engine Stroke 2.755 in
Engine Type ICE
Exhaust Angle 10
Exhaust Depth .104
Exhaust Diameter 1.325
Forging Type Round
Gas Distribution No
Intake Angle 11.5
Intake Depth .134 in
Intake Diameter 1.560 in
Lateral Gas Ports No
Mill Undercrown No
Oil Groove Width 0.11100 in
Oil Ring Thickness 0.111 in
Pin Fit Yes
Piston Average Weight 273 gr
Piston Head Type Dome
Piston Material 2618
Piston Series JE Pistons
Piston To Wall Clearance -0.002 in
Piston Volume 0.00 cc
Product Market ATV
Product Type Engine Piston Kit
Ring Set - Recommended XC8900
Ring Set Included Yes
Ring Set Part Number XC8900
Second Compression Ring Thickness 0.0480 in
Skirt Coat No
Smooth Crown Finish No
Thermal Crown No
Top Compression Ring Thickness 0.0400 in
Top Groove Width 0.04000 in
Tuff Skirt No
Ultra Dome No
Ultra Groove No
Ultra Groove Plus Gas Port No
Vertical Gas Ports No
Wrist Pin Length 2.250 in
Wrist Pin Material 9310 Nickel Carbon Steel Alloy
Wrist Pin Outer Diameter 0.787 in
Wrist Pin Wall Thickness 0.140 in

Warranty

30 Months

About JE Pistons

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Carb Status

California carb status to be completed

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