{"product_id":"c3-1968-1974-chevrolet-corvette-firewall-grommet-tachometer-cable-oil-line-ca-40921","title":"1968-1974 Corvette C3 Firewall Grommet - Tachometer Cable, Oil Line","description":"\u003cp\u003eRestore factory-style fit and function on your 1968-1974 Corvette C3 with this firewall grommet. It is a great fit for full restorations, repairs and owners who simply want their car done right.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTachometer Cable, Oil Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this firewall grommet stands out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExact fit for 1968-1974 C3 Corvette firewall openings —engineered to align with factory dimensions so you can restore original look and function without guesswork.\u003c\/li\u003e\n\u003cli\u003eDual-path compatibility —accommodates both the tachometer cable and the oil line as they pass through the firewall, reducing routing hassles during maintenance or restoration.\u003c\/li\u003e\n\u003cli\u003eSealed, secure passage —provides a solid seal around each routed line, helping minimize air leaks and keeping the firewall area tidy and protected from abrasion.\u003c\/li\u003e\n\u003cli\u003eSimple, non-invasive replacement —designed for straightforward installation as a direct substitute for worn or missing grommets, without modifications to the firewall.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic Corvette restorations and concours-quality upgrades for C3 models from 1968 through 1974.\u003c\/li\u003e\n\u003cli\u003eOwners who want to preserve authentic engine bay routing while ensuring reliable cable and line guidance.\u003c\/li\u003e\n\u003cli\u003eMechanics and hobbyists performing routine maintenance where a clean, secure firewall pass-through is essential.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; care tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBefore installation, inspect the firewall opening and the existing cable and oil line positions to confirm proper alignment with the grommet’s routing paths.\u003c\/li\u003e\n\u003cli\u003ePlace the grommet in the opening and press gently around the periphery until it seats snugly against the firewall surface.\u003c\/li\u003e\n\u003cli\u003eRoute the tachometer cable and oil line through their designated paths, ensuring they are not kinked or under undue tension.\u003c\/li\u003e\n\u003cli\u003ePeriodically inspect the grommet during maintenance intervals; replace if you notice cracking or compression that could compromise the seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1968-1974 Chevrolet Corvette C3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot sure this is the right part for your car? Contact us with your year and options before ordering and we'll help confirm fitment.\u003c\/p\u003e","brand":"ca9","offers":[{"title":"Default Title","offer_id":41303982768177,"sku":"A340921","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/4078\/files\/40921-1_04f2aef9-cd3b-45dd-b995-9542e991ac14.png?v=1793077163","url":"https:\/\/www.corvetteguys.com\/products\/c3-1968-1974-chevrolet-corvette-firewall-grommet-tachometer-cable-oil-line-ca-40921","provider":"CorvetteGuys.com","version":"1.0","type":"link"}