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Fi Performance

FiP-LB-700 Long Block - Unleash 700HP in Your Subaru (Closed Deck)

FiP-LB-700 Long Block - Unleash 700HP in Your Subaru (Closed Deck)

$11,200.00
$11,200.00
Sale Sold out
Shipping calculated at checkout.
Athena fire lock head gasket set upgrade
FIP 11-R improved oil pump
Head Casting/Model

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
    • OEM or GSC Valve Stem Seals

  • Accessories, Fasteners, & Covers

    • New Timing Components (Covers, Sprockets, Belt)
    • OEM Head Gaskets (Optional upgrade to Athena Copper Ring)
    • OEM Gaskets and Seals
    • ARP CA625 Head Studs

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

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Transform Your Subaru – Proven Performance at FI

Unlock the true power of your Subaru with FI Performance. Our team of expert technicians doesn't just install parts – we meticulously build, tune, and refine high-performance machines. Our track record of dyno results and satisfied customers speaks for itself. Let us unleash the beast within your Subaru.