Manley Forged Pistons Subaru WRX STi EJ257 75mm De-Stroker Crank 99.75mm +0.25mm -18 cc 8.0:1

SKU
621002C-4
$666.94
Available

Description


Manley pistons are machined of high strength 2618 material. Each design is robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.

Specifications

More Information
Availability New In Stock / Available
Item Weight 434 g
Shipping Weight (Dimensional) 6.220000
Clearance Sale No
Availability Available
Part Type Pistons
Make Subaru
Vehicle Model Impreza WRX STi
Model STi 04-07 GD, STi 08-14 GR, STi 15+ VA
Engine EJ257, EJ257B
Rod Length 5.137" / 130.5mm
Rod Length Oversize Standard Length
Bore Diameter 99.75mm
Bore Oversize 0.010" / 0.25mm
Stroke 75mm (2.3L De-Stroker)
Compatible with Stock Sleeves Yes
Requires Aftermarket Sleeves No
Compression Ratio 8.0:1
Compression Ratio Range 7.0:1 - 8.0:1, 8.0:1 - 9.0:1
Pin Size 0.905" / 23mm
Included Ring Set 46997DT-4
Included Pin 42346-4
Head cc 57 cc
Face Type Dish
Dome cc -18 cc
Compression Height 1.285" / 32.6mm
Piston Coating Skirt Coating
Brand Manley Performance
Skirt Type Full Round
Piston Material 2618
Carb Legal Unspecified
Wrist Pin Wall Thickness 0.180"
Wrist Pin Dimensions .905" x 2.500" x .180"
Pin Material 5115 Steel

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