Boomba Oil Cap Honda Civic Si 2017+ Wheel Offset_44mm Unlike the 2004-2007 WRX STi

Unlike the 2004-2007 WRX STi OEM variation

It costs ARP a lot more to make their SRT-4 head studs this way

Radial mounting provides secure and accurate installation of the forged billet DynaPro four piston caliper with large diameter rotors for this group of front and all wheel drive sport compacts

1998-2013 Subaru Forester 2

Boomba Oil Cap Honda Civic Si 2017+ Wheel Offset_44mm Unlike the 2004-2007 WRX STiThis oil cap is CNC machined, and crafted from premium billet aluminum. Available in red, blue, black, or natural finish; it is designed to easily replace the original oil cap and improve the visual effect under your hood! A great touch of personalization to your ride!