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Boombop High Performance Short Block 07-13 Subaru EJ257, Stage 1

Boombop High Performance Short Block 07-13 Subaru EJ257, Stage 1

Boombop High Performance Short Block 07-13 Subaru EJ257, Stage 1
List Price: $4,925.64
Our Price: $4,679.36
You save $246.28!

Availability:: Usually Ships in 1-2 Business Days
Product Code: BPP-400-1001

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Boombop High Performance Short Block 07-13 Subaru EJ257, Stage 1

Our Stage One Subaru EJ257 short block for 2007-2013 Subaru Impreza STIs is designed for moderate to medium boost levels. Each engine is built with a brand new Subaru engine block and fully blueprinted and all clearances checked. The rotating assembly is fully balanced for the smoothest operation. The block is perfect for high performance street and moderate track setups. This block is suitable for 500 horsepower and can support even more power with ARP Custom AGE 625+ rod bolts and a wrist pin upgrade.
  • New! Subaru OEM EJ257 Engine Block
  • New! Subaru OEM EJ257 Forged Crankshaft
  • CP 99.50mm / 8.2:1 Compression Ratio Pistons
  • Manley Forged H-Beam Connecting Rods
  • ACL Race Main and Rod Bearings
  • Fully Computer Balanced rotating assembly
  • Micro-polished crankshaft
  • CNC-Precision Bore and Hone
  • In-House Blueprint, Clearance and assembled to strict specs and tolerances

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