Injector Seat Adapter 14mm to 17mm O-ring 2mm Extension Radium Engineering

20-0778 INJECTOR SEAT ADAPTER, 14MM TO 17MM O-RING, 2MM EXTENSION

This Radium green adapter converts a fuel injector lower O-ring from 14mm to 17mm. The 17mm bore is commonly used in Japanese engine applications that use Denso fuel injectors. But specifically, these adapters were designed to fit into Subaru tumble generator valve housings (shown below). They effectively make the fuel injector 2mm taller.

Includes
-Anodized Aluminum Injector Seat (x1)
-FKM Viton O-ring (x1)

Sold individually. Be sure to lubricate O-rings prior to installation.