SKU: HLY241-288
UPC: 090127003992
MPN: 241-288
The SBC Billet Rail Fabricated Aluminum Valve Covers with Oil Cap represent the modern standard for small-block Chevrolet engine dress-up and functional upgrades. Whether you're building a street cruiser, weekend racer, or show engine, these Holley valve covers deliver the clean aesthetics of billet aluminum construction while maintaining the durability required for both high-RPM and street applications. Small-block Chevy engines demand quality valve covers that won't leak under pressure, and these fabricated rail covers handle oil containment while eliminating the dated appearance of stock iron covers.
Manufactured from premium-grade aluminum, these billet rail fabricated covers feature precision machining that ensures a tight seal against the cylinder head gasket surface, critical for preventing oil weeping at higher RPMs and extended engine run times. The integrated oil cap design eliminates the need for aftermarket breather upgrades, streamlining the top-end appearance while maintaining proper crankcase ventilation flow. At 5.55 pounds per cover set, the aluminum construction reduces overall engine weight compared to cast-iron alternatives, a benefit noticeable in street performance and road-racing applications where every pound counts.
These covers suit any SBC engine platform—from 283 displacement mills to modern LS-adjacent small-block builds—making them ideal for engine swaps, restorations, and performance upgrades. Installation requires no special tools beyond basic wrenches; the standardized mounting configuration matches OEM bolt patterns found across generations of small-block applications. Whether you're restoring a classic Chevelle, upgrading a daily-driver C5 Corvette, or finishing a custom hot rod engine bay, the SBC Billet Rail Fabricated Aluminum Valve Covers with Oil Cap deliver show-quality aesthetics with proven reliability under real-world driving conditions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.