Diamond Racing Forged Pistons Set Subaru STi EJ257 100.5mm +1.0mm -24.0cc 8.1:1

DIA 36010-4
Back Ordered

This item is out of stock at the manufacturer level, and experiencing a known global supply delay. Contact us for the latest availability date estimation.


Forced pin oilers from the oil ring; Pin Fitted; 3D Pockets; Moly Coated Skirts; Pins, Lock's & Support Rails (if required) included


More Information
Shipping Weight (Dimensional) 6.000000
Clearance Sale No
Availability Back Ordered
Part Type Pistons
Make Subaru
Vehicle Model Impreza WRX STi
Model STi 04-07 GD, STi 08-14 GR, STi 15-21 VA
Engine EJ257, EJ257B
Rod Length 5.137" / 130.5mm
Rod Length Oversize Standard Length
Bore Diameter 100.5mm
Bore Oversize 0.040" / 1.0mm
Stroke 79mm (Standard Stroke)
Compatible with Stock Sleeves Yes
Requires Aftermarket Sleeves No
Compression Ratio 8.1:1
Compression Ratio Range 8.0:1 - 9.0:1
Pin Size 0.905" / 23mm
Included Ring Set 09513957
Included Pin Locks 015129T-8
Included Pin G9052500180C63
Head cc 56 cc
Face Type Dish
Dome cc -24.0 cc
Compression Height 1.208" / 30.7mm
Piston Coating Skirt Coating
Brand Diamond Racing Pistons
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 4130 Chrome Moly Steel
Shipping Label Free Shipping


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