"B" Stock Engine Bay Caps - B-Series - Subaru STI 2015-2021 CVT Shift Knob depending on inventory and complexity

depending on inventory and complexity

Dual internal O-rings provide smoother actuation and eliminate unwanted rattle

eliminating unwanted movement and interior rattle

and a cold

Refresh your Subaru STI’s interior with the Billetworkz SI-Drive Cap – a direct replacement for your factory button cover that adds a bold

"B" Stock Engine Bay Caps - B-Series - Subaru STI 2015-2021 CVT Shift Knob depending on inventory and complexityStraight from the Billetworkz Backroom The Problem: Crusty, faded factory caps are ruining your engine bay's look. The Solution: Upgrade to a Billetworkz Engine Bay Cap Set! These are direct factory replacementsCNC machined from 6061 aluminum and finished with a durable, vibrant anodized finish. They offer a flawless fit and a clean, custom aesthetic that truly sets your Subaru apart. 2015 2021 STI includes: Oil Cap Wiper Fluid Cap Coolant Overflow