Part Number:
DRP-36025-4
Fits 2004-Up Subaru EJ257 WRX/STI, Bore 100mm, Stroke 83mm, Rod Length 5.137, Dish -26cc, Set of 4 Pistons and Rings
$764.00
⚠ 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 56 cc Head: 8.2:1
No advertised piston weight
Compression Ratio with 56 cc Head: 8.2:1
No advertised piston weight
| CNC Part Number | DRP-36025-4 |
|---|---|
| Price | $764.00 |
| Sold As | Set |
| Manufacturer's Part Number | 36025-4 |
| Brands | Diamond |
| Part Types | Engine Piston |
| Departments | Parts |
| Vehicle Make | Subaru EJ25 |
| Bore Size | 3.937 |
| Crankshaft Stroke | 3.268 |
| Rod Length | 5.137 |
| Piston Type | Dish |
| Compression Height | 1.129 |
| Piston Material | 2618 Forged |
| Piston Ring Size | 1.2 1.2 2.0mm |
| Wrist Pin Size | 0.905 |
| Custom Notices | ⚠ PROP 65 WARNING |










