The Wiseco K598M100 forged piston shelf stock kit for 2004-2021 Subaru WRX/STI with EJ257 2.5L turbo engine. Boost your engine's reliability and power with lightweight 2618 alloy pistons featuring -19cc dish for optimized compression in high-boost builds, complete with rings, pins, and clips for race-ready performance.
| Specification | Detail |
|---|---|
| Part Number | K598M100 |
| Bore Size | 100mm |
| Dish Volume | -19cc |
| Compression Height | 30mm |
| Material | Forged 2618 Aluminum |
| Ring Pack | 1.2mm/1.5mm/2.8mm Moly |
| Quantity | 4 Pistons + Rings, Pins, Clips |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
| Year | Make | Model | Engine |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza WRX / STI | EJ257 2.5L Turbo |
Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...
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