Image is a representation of this item. Actual item may vary.
Part Number:
DRP-36020-4

36020-4 Diamond Pistons Subaru EJ257 Forged Flat Top 99.75mm Bore

Fits 2004-Up Subaru EJ257 WRX/STI, Bore 99.75mm, Stroke 79mm, Rod Length 5.137, Flat Top -4.5cc, Set of 4 Pistons and Rings

$764.00
View Similar Items
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
  • Offset wrist pins provide quiet operation
  • Moly skirt coating for friction loss
  • 2618 forging for high hp/ boosted applications
  • Standard 1.2mm x 1.2mm x 2mm ring package
  • Premium 8620 wrist pins are included
  • Compression ratio figured for 101mm x .0236 head gasket
  • Top ring down from piston crown .240"
  • Vavle pocket depth = .220" intake and .220" exhaust
  • Oversize valve pocket for larger than stock valves

    Compression Ratio with 56cc Head: 10.0:1
    No advertised piston weight
  • More Information
    CNC Part Number DRP-36020-4
    Price $764.00
    Manufacturer's Part Number 36020-4
    Brands Diamond
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Subaru EJ25
    Bore Size 99.75mm
    Crankshaft Stroke 3.110
    Rod Length 5.137
    Piston Type Flat Top
    Compression Height 1.208
    Piston Material 2618 Forged
    Piston Ring Size 1.2 1.2 2.0mm
    Wrist Pin Size 0.905
    Custom Notices ⚠ PROP 65 WARNING
    Other Customers Also Bought
    PART #: SCH-1055LVDN 1055LVDN Schoenfeld Chevy Sprint Car Headers-Spread Port/D.n
    1055LVDN Schoenfeld Chevy Sprint Car Headers-Spread Port/D.n
    $379.95
    PART #: HAS-2M5529 2M5529-Std
    Hastings Tough Guy Premium Ductile Piston Rings 2M5529
    $146.95
    PART #: NXS-80004EFI-10 NXS 80004EFI-10 4CYL GASOLINE EFI (50-250HP) WITH 10LB BOTTLE
    NXS 80004EFI-10 4CYL GASOLINE EFI (50-250HP) WITH 10LB BOTTLE
    $1,125.95
    PART #: CP-BLS1013-STD BLS1013-STD CP Bullet 5.3L 15° Forged Flat Pistons -LS Chevy- 3.780 Bore, 10.0:1
    BLS1013-STD CP Pistons Bullet 5.3L 15° Forged Flat LS, 3.780 Bore, 10.0:1
    Special Price $850.40 Regular Price $955.50
    PART #: ESP-CRS7100C3DL19 Eagle CRS7100C3DL19 H Beam Connecting Rods 7.100 BBC L19 Bolts
    Eagle CRS7100C3DL19 H Beam Connecting Rods 7.100 BBC L19 Bolts
    Special Price $728.28 Regular Price $746.95
    PART #: MAH-4165MS-15 Mahle Performance Piston Ring Set 4165MS-15
    Mahle Performance Piston Ring Set 4165MS-15
    $158.86
    PART #: JES-KBD-35997 KBD-35997 Jesel Chrysler Hemi Belt Drive
    KBD-35997 Jesel Chrysler Hemi Belt Drive
    Special Price $2,475.66 Regular Price $2,619.75
    PART #: CAR-SCR5164 5164 Carrillo Pro-H Beam Connecting Rods - BMW  SS62B50 E39-M5 / E52-Z8, 5.571"
    SCR5164 Carrillo Pro-H Beam Connecting Rods - BMW SS62B50 E39-M5 / E52-Z8, 5.571"
    Special Price $2,338.14 Regular Price $2,461.20