Seals-It Firewall Grommet -12 AN Hose DX2145K Boost Reference Controlled

Boost Reference Controlled

skinny tube machined in the head to access the spark plug

Red Anodized / Natural

1-1/2 in Hose Barb to 1-3/16 in O-Ring

Seals-It Firewall Grommet -12 AN Hose DX2145K Boost Reference ControlledGrommet seals have many applications. In race cars they serve to keep unwanted smoke and fumes from entering the driver's area while protecting lines from chafing and abrading on rough surfaces. In hot rods and custom car applications, they provide the perfect "finishing touch" to all through panel installations. Wiring, fuel and oil lines, air and liquid hoses, and all other lines that make up your rod or custom, can make an otherwise detailed