Holden 304 VN-VT EFI Headed Billet Rocker Covers

Holden 304 EFI Headed Rocker Covers.

If You’re Looking To Tidy Up Your Engine Bay And Fix The Usual Headaches That Come With Old Cast Rocker Covers, These Are A Solid Upgrade.

Machined From Billet 6061-T6 Alloy, These Covers Fit Properly And Seal The Way They Should—No More Fighting Leaks Or Dodgy Fitment Like You Often Get With Cast Ones. They’ve Got A Nice Clean Look Too, So They Really Lift The Appearance Of Your Holden 304.

Each Cover Comes With Two -12 ORB Ports On Either End, Giving You Plenty Of Room To Run A Proper Breather Or Catch Can Setup. Perfect If You’re Running Something A Bit More Serious Than Stock And Need Better Crankcase Ventilation. Notched To Suit Brake Booster.

Just A Heads Up: These Are Designed Around A Factory-Style Valvetrain. If You’re Running High-Lift Rockers, You Might Run Into Clearance Issues.