Manley 98-05 Subaru WRX EJ20 92.50mm Bore 8.5:1 CR -16cc Dish 79mm Stroker Piston Set (E/D)
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Our signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.
Features and Benefits
2618 Alloy Forgings: We use domestic 2618 alloy forgings, ensuring superior strength and performance.Chrome Moly Wrist Pins: Premium Chrome Moly wrist pins come standard with our Standard Series Pistons. For select SKUs, we offer wrist pin upgrades to 9310 and Turbo Tuff/DLC alloys, providing additional durability.Exacting Ring Lands and Grooves: We adhere to strict standards for piston ring lands and grooves, resulting in enhanced ring seal and more power.Cam and Barrel Profiles: Our pistons boast cam and barrel (skirt) profiles that generate substantial power while being gentle on cylinder walls.Unique Fixturing: Manley's unique fixturing allows for skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness.
Engine Family: EJ20 / EJ25
Engine Stroke Type:2.1L Stroker
Engine Stroke: 79.00
Piston Head Type: Dish
Piston Quantity: 4
Piston Series: Platinum Series
Piston Sub-Series: Extreme Duty
Piston Volume: -16.00
Weight: 361
Bore Diameter: 92.50
Bore Oversize: +0.50
Compression Height: 1.209
Compression Ratio: 8.50:1
