We ship Worldwide. 🌎

High Performance made easy to order

Make

Engine Type

subaru-je-pistons-ej25-sohc-1999-2005-piston-kit
Move your mouse over image or click to enlarge

Subaru JE Pistons EJ25 SOHC 1999-2005 - Piston Kit

Price: $724.30

Select Size:

  • Bore
  • Engine Compression Ratio (CR)
  • Volume Dome CC
  • 99.5mm = 3.917in 8.5:1 -20.4
  • 99.5mm = 3.917in 11.5:1 3
  • 99.75mm = 3.927in 8.5:1 -20.8
  • 99.75mm = 3.927in 11.5:1 2.7
  • 100mm = 3.937in 8.5:1 -21.2
  • 100mm = 3.937in 11.5:1 2.5

Weight: 0.01 lb

Sku: 314341

Weight:

SKU:



$724.30

  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.2 x 1.2 x 2.5mm ring widths.
  • .905 x 2.500 (Round Forging) and .905 x 2.250” (FSR Forging) straight wall carbon steel wrist pin provided.
  • Pin fitting and Tru-Arc locks included
  • Rings Now Included

 

 

Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CCs C/R With .040 Dome CCs Gram Footnote Skirt Included
Ring Set#
314341 99.5 STD 79 131.6 29.5 50 8.5:1 -20.4 390 T F JG4904-3917
314344 99.5 STD 79 131.6 29.5 50 11.5:1 3 408 V R JG4904-3917
314342 99.75 0.25 79 131.6 29.5 50 8.5:1 -20.8 393 T F JG4904-3927
314345 99.75 0.25 79 131.6 29.5 50 11.5:1 2.7 411 V R JG4904-3927
314343 100 0.5 79 131.6 29.5 50 8.5:1 -21.2 395 T F JG4904-3937
314346 100 0.5 79 131.6 29.5 50 11.5:1 2.5 415 V R JG4904-3937

 

 

 

Top Compression Ring Thickness 0.0480
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.100
Forging Type FSR
Series JE Pistons
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.905
Make SUBARU
Wrist Pin Style - floating or press fit Floating
Wall Type STRAIGHT
Wall Thickness (IN) 0.180
Ringset Part Number JG4901-3917
Ring Brand ProSeal
Ringset Included Yes
Retainer Thickness 0.042
Retainer Lock Style Tru Arc Lock
Retainer Lock Part Number 905-042-CT
Retainer Diameter (IN) 0.905
Piston Pin Inside Diameter 0.545
Piston Material 2618
Piston Pin Length (IN) 2.250
Piston Avg Wt 383
Pin Offset Yes
Pin Brand JE Pistons
Pin Part Number 905-2250-18-51S
Pin Included Yes
Pin Diameter (mm) 23.00
Oil Rail Support Included No
Deck Clearance -0.015
Brand JE Pistons