B-Stock Engine Bay Caps - B-Series - Subaru STI 2015-2021

Straight 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 replacements—CNC 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 Cap
• Brake Fluid Cap
• Power Steering Fluid Cap
  

B-Stock items are fully functional and may come from discontinued colors, limited runs, overstock, or have minor cosmetic blemishes. Fit, performance, and durability are not affected. Quantities are limited and will not be restocked.

B-Stock items are final sale and are not eligible for returns or exchanges.