You are looking at a NEW Polished Finned Aluminium Push-In Valve Cover Breather to suit: 

  • Polished aluminium finish
  • Baffles and self-tapping screws
  • Two grommets for breathers
  • Valve cover retaining bolts and washers

Also known as SBC Rocker Covers, experience the original and unrivalled quality with our Genuine Cal Custom Polished Finned Aluminium Valve Covers, designed specifically for Small Block Chevy engines (283, 305, 327, 350, 383, 400) with a conventional (non-centrebolt) bolt configuration. These rocker covers feature a raised fin design and rounded corners inspired by the performance factory valve covers of the 1950s and 1960s. Perfect for restorations, hot rods, and custom cars, these tall covers provide ample clearance for stud girdles and roller rockers.

Upgrade your engine with the best in both style and functionality.

  • Engine Application: Designed for the full Chevrolet Small Block (SBC) family with conventional perimeter bolt heads, including 283, 305, 327, 350, 383 stroker and 400 ci engines. Suits classic Chevrolets, Camaros, Novas, Corvettes, El Caminos, hot rods and SBC swaps where the build calls for a period-correct finned cover with broad engine compatibility.

  • Perimeter Bolt vs Centrebolt is Critical: SBC Bolt Pattern Fitment: SBC heads come in three valve cover bolt styles, and they are not interchangeable. The earliest staggered perimeter bolt heads (1955 to 1959) use an offset bolt pattern around the edge. Regular perimeter bolt heads (1959 to 1986) use the well-known evenly-spaced perimeter pattern. Centre bolt heads (1987-on) use bolts running down the middle of the cover, common on Vortec and late TBI motors. These covers fit regular perimeter bolt heads only. The easiest visual check is whether the existing valve covers bolt evenly around the edges, in an offset edge pattern, or down the centre.

  • Finned Retro Design: The raised fin pattern with rounded corners is inspired by performance factory valve covers from the 1950s and 1960s, giving the engine a period-correct muscle car feel. A strong fit for restorations of classic Chevs, hot rods, gassers, custom builds and resto-mods where the era of the build matters. Pairs particularly well with finned air cleaners, finned breathers and matching finned dress-up parts to keep the retro theme consistent across the engine bay.

  • Tall Profile for Performance Valvetrain: The taller cover height provides the clearance needed for 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 choice for any SBC build with performance components in the heads. Always confirm rocker clearance before final fitment.

  • Cast Aluminium with Polished Finish: 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 finned pattern and contrasts well with painted or unpainted engine blocks.

  • Practical Buyer Tip: Each set includes baffles with self-tapping screws (fit them before installation, as the baffle screws sit on the underside), two breather grommets, and the valve cover retaining bolts and washers, which is a more complete kit than many aftermarket alternatives. Source SBC perimeter bolt valve cover gaskets separately, as gaskets are not included. Cork or rubber-coated steel core gaskets generally seal best on tall aluminium covers. Maintain the polished finish with a soft cloth and aluminium polish, taking extra care between the fins where polish residue can build up over time.

Thanks for looking.

SKU CAL-4700
Brand CAL-CUSTOM
Shipping Weight 0.2000kg
Shipping Width 0.100m
Shipping Height 0.200m
Shipping Length 0.100m
Shipping Cubic 0.002000000m3

Pick up

  • Pick up option is available from Cranborne West Vic 3977.
  • If you select pickup we will contact you once the order is ready for collection (generally the next business day).

Authority to Leave

  • ALL parcels are sent with Authority To Leave (ATL) - if the delivery driver believes it is safe to leave your parcel at your premises they will do so. if you wish to have a signature on delivery added to your delivery please message us BEFORE purchasing
    IF an item is marked as "delivered" and is then stolen ect, it will be a police matter.

Return Policy

  • 30 days after the buyer receives it.
  • The buyer is responsible for return postage costs unless we have accidentally sent you the incorrect part.

In addition to the above

if the return is the result of a customer ordering mistake or change of mind, then:

  • A restocking fee may apply.
  • Buyer pays return postage & Insurance in all circumstances
  • Original postage costs are non-refundable – this includes “free” shipping items as it still costs us to send the item.
  • Damaged in transit items, we MUST be informed about within 24 hours of receiving the item, after 24 hours we are NOT able to cover any damaged item claims.
  • If an item is believed to be “faulty” then return cost must be covered by the buyer, the item will then be sent back to our supplier for inspection, if deemed to be “faulty” then return shipping cost will be refunded, if not then we will refund you for the item minus the original shipping costs.
  • Items MUST be test fitted BEFORE painting them (where applicable) - we can NOT refund or accept any returns for items once they have been painted.
  • We do NOT accept change of mind returns for engine parts

Please contact us for Return Approval and we will advise you the Return Procedure.

Warranty

  • We supply all products with a 1 Year Parts Replacement Warranty unless specified on the Product description & Specifications.
  • Return postage and installation labour are the buyer's expense.
  • We do NOT cover any labour / fitting charges for any items in any circumstance.

Address / Phone Number / Email:

  • We are located in Cranbourne Vic 
  • If you have any questions, please send us a message under the item listing and we shall reply you within 24 Hours.
  • All orders are dispatched from Cranbourne Vic 3977 Australia.
  • Untracked items are NOT covered if lost, we recommend using our tracked shipping options.

Customers outside Australia:

Please note: Our prices include the product(s) and delivery costs excluding any applicable customs duty or import taxes. Every country has different import regulations based on the product's origin country, type, value and quantity. Please check with your relevant authorities to confirm if any of these costs apply to you before you purchase. If a customs duty or import tax applies to your order you will have to cover this cost plus an administration fee with the delivery courier before you collect your order. The payment of duties and taxes is your responsibility.

Damaged items for international orders: For any damaged items you MUST return the item to the company that delivered it and start the claim through them, this is the ONLY way a claim can be started.

Disclaimer: Online Auto Spares aftermarket parts are not approved by or otherwise associated with the car's manufacture unless otherwise stated in the listing.

United States Buyers:

Please note: Our prices include the product(s) and delivery costs excluding any applicable customs duty or import taxes. Due to the NEW US tariff mandates we MUST Charge an additional 11% of the total price of the sale eg: if you buy an item for $100 and the shipping is $50 we will then need to collect from you and additonal 11% which will be $16.50 to cover the US tariff and admin fees. 
We suggest "commiting to buy" the item and then allowing us to add the fees before you pay to make it easier.

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