Early V8 Holden 253 308 Fabricated Billet Valve Covers Polished Sold as a Pair

Early Holden V8 Billet Valve Covers – 253/304/308/355, Polished, Sold as a Pair

Upgrade the look and sealing performance of your early Holden V8 with Aeroflow’s fabricated billet rocker covers. Designed specifically for Holden V8 engines in the 253, 304, 308, and 355 series, these covers are sold as a pair and built to endure demanding street and performance use.

Premium construction for precise sealing

Fabricated from 5051 aluminium, each valve cover features a one-piece billet rail CNC machined from 6061-T6 aluminium to guarantee a precision flat surface for superior sealing. This combination delivers a robust, race‑tested foundation that resists warping and helps maintain consistent valve cover gasket sealing under high RPM and spirited driving.

Finish options to match your engine bay

Choose a show‑stopping polished finish or a durable black anodised look to complement your vehicle’s styling while keeping under‑hood components protected and easy to clean.

Smart breather and filler hardware

• Standard female -8ORB breather port for reliable ventilation
• Threaded o-ringed billet oil filler cap for secure sealing and easy maintenance

Class‑leading clearance

Designed tall enough to clear 99% of rocker configurations, these covers minimize fitment issues during installation or after modifications, helping you avoid interference with rocker arms and valve gear.

Ready to bolt on

Packaged as a pair, these valve covers are ready to bolt onto Holden V8 engines, offering a precise fit that complements performance builds while enhancing engine bay presentation.

Compatibility

Suitable for Early V8 Holden engines in the 253, 304, 308, and 355 series, delivering a tailored fit that supports both street and performance applications.