- Oil System
- Crankcase Evacuation System
- Earl's Oil Fill Caps
Quality Billet PCV Vented Oil Filler Caps
Earl's Oil Fill Caps were designed for the addition of a catch can without significantly modifying the valve cover. These caps feature an internal battle for reducing oil transfer along with a -10 AN o-ring style port for easy connections to a catch tank or PCV. The premium billet aluminum construction utilizes an anodized finish to provide a durable and clean appearance.
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Holley Valve Covers
Oil Fill Cap with PCV VentFits GM LS Engine w/Holley Cast Aluminum Valve Covers 1 5/16-12 in. Threads on Cap Internally Baffled -10 AN ORB Port Billet Aluminum Black Anodized
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$33.24
Estimated to ship direct from manufacturer on 07/28/26, pending manufacturer availability.
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Vented Catch Can PCV Plumbing KitFits GM LS Engine with Holley Cast Aluminum Valve Covers
Includes: Oil Fill Cap Short Oil Breather Catch Can Braided Hose Hose End Fittings
Includes:
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$239.09
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Vented Catch Can PCV Plumbing KitFits GM LS Engine with Holley Cast Aluminum Valve Covers
Includes: Oil Fill Cap Tall Oil Breather Catch Can Braided Hose Hose End Fittings
Includes:
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$198.09
Estimated to ship direct from manufacturer on 08/17/26, pending manufacturer availability.
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OEM Valve Covers
Oil Fill Cap with PCV VentFits Ford Coyote, GM LS & Gen V LT w/OEM Valve Covers Internally Baffled -10 AN ORB Port Billet Aluminum Black Anodized
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$47.42
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Vented Catch Can PCV Plumbing KitFits Ford Coyote, GM LS & Gen V LT with OEM Valve Covers
Includes: Oil Fill Cap Short Oil Breather Catch Can Braided Hose Hose End Fittings
Includes:
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$253.27
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Vented Catch Can PCV Plumbing KitFits Ford Coyote, GM LS & Gen V LT with OEM Valve Covers
Includes: Oil Fill Cap Tall Oil Breather Catch Can Braided Hose Hose End Fittings
Includes:
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$212.27
Estimated to ship direct from manufacturer on 08/17/26, pending manufacturer availability.
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