Build a high-performance Subaru with the drop-in FiP-LB-700 Long Block. Featuring a closed-deck design, forged internals, and top-tier components, this engine is professionally assembled to handle 700whp.

Key Features

• Short Block:

  • Je FSR Forged Pistons (2618 Alloy, 99.75mm Bore)

  • King or ACL Main & Rod Bearings (Calico Coated)

  • H-Tuff +2mm Connecting Rods (ARP 2000 Rod Bolts)

  • OEM Subaru Case Halves and Case Bolts

  • OEM Subaru 2017+ STI Crankshaft

  • V3 Closed Deck for extreme strength

  • Blueprinted & Assembled at Fi Performance

• Cylinder Heads:

  • Brand New Subaru OEM EJ25 Head Castings

  • Performance Valve Job

  • GSC or BC Intake & Exhaust Valves

  • BC 280 Camshafts

  • Bench Lash Camshaft Buckets/Lifters

  • Beehive Springs & Titanium Retainers

  • GSC Valve Stem Seals

• Accessories, Fasteners, & Covers

  • New Timing Components (Covers, Sprockets, Belt)

  • OEM Gaskets and Seals

  • ARP CA625 Head Studs

  • FIP 11-R Improved Oil Pump Upgrade

  • Athena Fire Lock Head Gasket Set Upgrade

Customization: Choose your specific head type (D25, V25, N25, W25) in the dropdown menu. Note: Dual AVCS models have an additional cost.

Usually ready in 5+ days