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The Spectre Oil Breather Cap 3/4in. (Push-In) stands as the essential valve cover accessory for classic and performance engines. It features a chrome-plated steel housing with an internal baffle that prevents oil splash while delivering superior crankcase ventilation that outperforms basic grommet caps or twist-on breathers by maintaining consistent airflow without leaks or oil misting during high-RPM operation. Designed for universal fitment on valve covers with 3/4-inch to 1-1/4-inch breather holes, this push-in cap integrates seamlessly with stock or aftermarket setups to reduce pressure buildup and extend engine life. This ensures builders and daily drivers experience cleaner engine bays and reliable performance compared to exposed PCV valves or undersized filters. Crafted from durable triple-chrome plated steel for corrosion resistance and easy cleaning, it provides a polished look that complements show cars or hot rods better than plastic alternatives. It also supports emissions compliance where applicable for a straightforward upgrade that enhances overall engine breathing across street, strip, or track conditions.
Warranty – Spectre limited lifetime warranty against defects
| Application | Examples | Notes |
|---|---|---|
| Valve Covers | Small Block Chevy, Ford Windsor, Mopar LA | 3/4-inch to 1-1/4-inch holes |
| Imports | Honda B/D Series, Nissan SR20 | Universal breather fit |
| Custom Builds | Any Engine | Aftermarket valve covers |
Part Weight: 0.3 lbs | Shipping Box Dimensions: 6 in × 4 in × 2 in
Shop automotive air filters and performance intake filters at Black Ops Auto Works for direct-fit air filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, engine breather filters, HVAC filters, pre-filters, velocity stacks and intake filter accessories for cars, trucks, SUVs, Jeeps, muscle cars, diesel trucks, import performance builds and custom intake setups. This Air Filters collection is built for enthusiasts who want cleaner airflow, better filtration, improved engine protection, reusable performance filter options, replacement intake filters and vehicle-specific air filter fitment. Browse air filters for Dodge Charger, Dodge Challenger, Dodge Durango, Jeep Grand Cherokee, Jeep Grand Cherokee Trackhawk, Ram TRX, Chevrolet Camaro, Chevrolet Corvette, Cadillac CT5, Ford Mustang, Ford F-150, Toyota Tacoma, Toyota Tundra, BMW, Honda, Infiniti, Nissan, Porsche and other performance platforms. Shop Automotive Air Filters by Category Find the right air ...
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Since 1983, Spectre Performance has been at the forefront of innovation, providing unique and high-quality automotive parts and components that fuel your car or truck obsession. Our commitment to performance and durability is reflected in every product we create. Why Choose Spectre? With a rich history that includes setting world records—becoming the first wheel-driven, gasoline-powered car to exceed 400 mph—our journey from a two-car garage to a leader in the automotive aftermarket is nothing short of extraordinary. Our Cutting-Edge Technology We utilize state-of-the-art equipment to ensure our products meet the highest standards: Advanced chassis dynamometer for diagnostic and emissions testing Top-of-the-line Super-Flow flow bench for airflow, pressure, and velocity measurement Scientific laboratory-grade equipment for product development Product Categories Air Intake Systems Our air intakes are crafted from high-quality polished or powder-coated aluminum tubing, complete wi...
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