Rotary Billet Aluminum Oil Filler Cap

Bring true rotary style to your engine bay with the Rotary oil cap, CNC-machined from 100% billet aluminium and finished in sleek chrome with black enamel detail.

 Measuring 45 × 72 × 32 mm, this cap fits all rotary engine oil filler necks (except S2 RX-8) and delivers a perfect blend of strength, precision, and show-car appeal.