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CP Pistons Subaru Impreza WRX STI EJ25 EJ257 100mm Bore 8.2 Compression SC7421

Retail Price:

$653.00

Price Match

CP Subaru pistons are available standard or oversized. They are compatible with oversize valves, higher lift cams and high performance rings. CP pistons represent the highest quality and are engineered for maximum power.

STANDARD FEATURES INCLUDE:
-Deep valve relief depth accommodates high lift camshaft
-Made for +1mm valve sizes
-Custom skirt cam and barrel design
-Accumulator grooves
-High strength aluminum forgings
-High performance rings
-Fully CNC machined and balanced to +/- 1 gram
-Wrist pins included at no additional cost
-Double pin oilers, force fed oil ring
-Pick lock grooves for easy lock removal
-Pin fitting included

 

Car Make: Subaru
Car Model: SC7421: Impreza WRX STi / BC6609: Impreza Wrx Sti
Years: SC7421: 04-12 / BC6609: 02-12
Engine: SC7421: EJ257 / BC6609: EJ205 Ej255 EJ257
Compression Ratio: 8.2:1
Small End Width: .905
Rod Bolt: ARP 2000
Part Weight: 529
Big End Width: .843
Big End Bore: 2.166
Beam Type: H beam
Pin Size: 23mm
Compression Height: 1.208
Rod Length: SC7421: 130.5mm / BC6609: 5.141
Stroke: 79
Bore: 100mm
Material: 2618 Alloy
Bore Size: +0.5mm
Standard Pin (Included): 905-2500-18CP1S
Upgraded Pin (Not Included): 905-2500-20CP3C
Pin Locks (Included): None
Ring Part#: RS1658-3937-0

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