Check the listing for details. 1985-1989 Corvette C4 Air Cleaner Lid L98 High Performance Black Polymer. Condition: New. Listed at 74.95 USD. 1985-1989 Corvette C4 Air Cleaner Lid L98 High Performance Black Polymer 603994 Our 1985-1989 Corvette High Performance Black Polymer Air Cleaner Lid, allows more air flow, and still fits as your old stock Air Cleaner Lid. Fits like original-flows more air into your intake for better performance in your1985-1989. This was a "trick" we picked up years ago white running Corvette in the Escort Endurance Series. Race tams knows all the best ways to pick up horsepower. Proudly Made in America. Click here for more C4 Engine Compartment! Visit Mid America Motorworks eBay store for Corvettes! We offer over 9,500 Restoration Parts, Performance Upgrades and Personal Accessories for 1953-2023 Corvettes and Corvette Owners. FREE SHIPPING within 48 STATES. If shipping to: Alaska, Hawaii or Puerto Rico please email our eBay Store for a shipping quote. For shipping outside the US please use the eBay Global Shipping program. Thanks for looking!