Cal Custom SB Chev Tall Valve Covers Polished Aluminium Ball Milled Design, 327, 350

• Tall Profile Valve Covers
• Small Block Chev
• Polished Ball Milled Design Aluminium
• Beautiful Looking
• Not Made in China

• Engine Application: Designed for the Chevrolet Small Block (SBC) family, with the product specifically targeting 327 and 350 ci engines. Will also fit other SBC displacements sharing the regular perimeter bolt pattern (1959 to 1986), including 283, 305, 307 and 383 stroker builds. Will not fit the earliest 1955 to 1959 staggered perimeter bolt heads or 1987-on centre bolt heads. Suits classic Chevrolets, Camaros, Novas, El Caminos, hot rods and SBC swaps where the build calls for a more decorative cover than plain chrome or finned styles.

• What Ball Milled Design Means: The ball milled top features rows of machined circular indentations across the surface, creating a distinctive textured pattern that catches light differently to plain or finned covers. It is a popular decorative style on resto-mod, pro-street and show builds where the engine bay needs to look custom-built without the period-correct retro feel of finned covers. Polished aluminium gives the milled pattern a strong contrast between the bright surface and the recessed dimples.

• Why Tall Covers Matter on SBC: Tall valve covers add internal clearance over standard-height covers, which is essential for builds running a high-lift camshaft, roller rockers, shaft mount rockers or a stud girdle. Most aftermarket valvetrain upgrades will not clear stock-height covers, so tall is the safe default for any SBC build with performance components in the heads. Always confirm rocker clearance before final fitment.

• Cast Aluminium Construction: Made from cast aluminium rather than stamped steel, giving a thicker, more rigid cover that dampens valvetrain noise and resists distortion around the bolt holes. The polished finish brings out the depth of the ball milled pattern and pairs particularly well with polished intake manifolds, polished accessory brackets and chrome bolt-on parts.

• Practical Buyer Tip: Pair with a chrome or polished breather cap, polished PCV valve and polished oil cap to keep the dress-up theme consistent across the engine bay. Ball milled covers sit visually between plain polished and finned styles, making them a flexible choice for builds that lean modern resto-mod rather than strict period-correct. Maintain the polished finish with a soft cloth and aluminium polish every few months, taking extra care around the milled dimples where polish residue can build up. Confirm valve cover gasket type before fitment, as tall aluminium covers usually pair best with cork or rubber-coated steel core gaskets rather than thin paper gaskets.

Part Number: CAL-3430