PERRIN Junction Block Pass Through Style - Subaru STI 2004-2006 / 2008-2021 STI

Spectral Performance carries a great selection of aftermarket performance products brought to you by PERRIN Performance. 

Here, you are looking at the PERRIN Performance Junction Block. This block has been designed to provide the user with the flexibility of choosing your own fuel lines and fittings to work with your custom setup. 

DETAILS:

• Designed to work with most OEM STI setups that require a pass-through design or aftermarket fuel pressure regulators
• Compatible with many fuel lines and fittings
• Threaded for male 9/16-18 fittings (-6 AN) utilizing an O-ring seal
• Compatible with ORB fittings
• Built-in phenolic spacers that insulate the junction blocks from 200°F cylinder heads to keep fuel closer to its ambient temperature
• CNC machined from 6061 billet aluminum construction
• Anodized black finish
• All ports are marked with "Feed" and "Return" for ease of installation