CP Pistons Manley Rods For EJ257 WRX STI Stroker 100.5mm 9.0:1 SC7440 14024-4

Product Description   

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CP Standard Shelf Pistons Features

Dedicated forgings

Balanced to + or 1 gram

Wrist pins provided at no cost

Pin fitting provided at no cost

Accumulator Grooves

Dual forced pin oilers

Pick lock grooves

Fully CNC machined

USA Made 

Make:  For Subaru

Engine: For SC7440: EJ257 / 14024-4: EJ205 / EJ257

Compression Ratio: 9.0:1

Rod Bolt: 3/8" ARP 2000

Part Weight: 535

Big End Width: 0.840

Big End Bore: 2.165

Beam Type: H-Beam Rods

Pin Size: SC7440: 23mm / 14024-4: 23

Compression Height: 1.123

Rod Length: SC7440: 130.5mm / 14024-4: 5.137

Stroke: 83

Bore: 100.5mm

Material: SC7440: 2618 Alloy / 14024-4: 4340 Steel

Bore Size: +1.0mm

Standard Pin (Included): 905-2500-18CP1S

Upgraded Pin (Not Included): 905-2500-20CP3C

Pin Locks (Included): None

Ring Part#: RS1658-3957-0

Photos are illustrative purposes only. Original product may vary.