Billet Rocker Covers – RB Performance Engineered for serious RB performance builds, these Billet RB Rocker Covers are purpose-built for big boost, high-RPM, heavy-breathing engines. Designed from the ground up to improve crankcase venting control, minimise oil loss, and support modern boost strategies, they deliver both functional performance and a premium billet finish. Key Features Integrated Baffle System for controlled oil fume breathing Integrated Splash Plates to stabilise oil under RPM and boost Flushed PCV Ports with O-Ring Connections for leak-free plumbing Enhanced Oil Vapour Control to reduce mist and blow-by Self-Draining Internal Design to return oil back into the head Reduces Oil Accumulation in Catch Cans for cleaner, longer service intervals Flush-Finish Housing for a sleek, modern engine bay PCV Exits at Rear of Covers for tidy hose routing Uses Stock Rocker Cover Gaskets Accepts Factory Oil Cap Available in Multiple Colours Optional GT Stripe or Smooth Finish Also fits with Boost Doc long splash plates for maximum control Fitment ✔ RB20✔ RB25✔ RB26✔ RB30DET Perfect for Skylines, Stageas, Patrol swaps, Laurel/Cefiro builds, and RB-powered track or street cars. Performance Benefits Built for high crankcase pressure from large turbos and boost Helps stabilise oil control under hard acceleration and RPM Reduces oil mist for cleaner catch-can systems Supports reliable breathing in 600–2500+hp applications CNC billet construction for strength and thermal stability Design Notes No coil cover included No front timing cover included Designed for direct replacement of OEM twin-cam RB covers Ideal For High-boost street builds Drift, drag, and circuit engines Dry sump and high-RPM applications Clean show-car engine bays Builders wanting a premium billet upgrade with functional airflow advantages Why Builders Choose These Covers Because they’re not just cosmetic—these covers are engineered for real crankcase control, modern airflow strategy, and a premium billet finish that suits serious RB engines pushing the limits. Machined To Order: Please allow 6-8 weeks from order to delivery
