1957-1958 C1 Corvette Tachometer Drive Grommet To Firewall
Unveil superior performance with the SM 98 from Metro Moulded Parts, an essential tachometer drive grommet to the firewall designed for the classic 1957-1958 Chevrolet C1 Corvette. Known by enthusiasts as the firewall hero or distributor's ally, this grommet replaces OEM #3751551, bringing high reliability and impeccable fit. With its 1-3/4" outer diameter and unique angled hole, it's perfect for high-performance setups—whether you're outfitted with a 2 or 4 barrel carb or have ventured into fuel injection. This part not only withstands the test of time with it's sleek black finish but also stands strong against chemicals, sunlight, and ozone, thanks to state-of-the-art rubber compounds.Installation is straightforward: simply fit behind the distributor on the firewall, and it stands ready for rugged conditions. Its dual-layer design boasts a generous channel that locks into place firmly, ensuring no slipping even under stress. The grommet is tailored to enhance automotive performance by providing a long-lasting buffer between moving engine components. As a cornerstone piece of your Chevrolet's vital connections, it's engineered for durability and precision.Complete your restoration or upgrade with confidence—choose style that respects tradition and quality that commands performance. With Metro's platinum, 30-year warranty, you're not just purchasing a part; you're investing in peace of mind. Secure the SM 98 today and drive into the future with enduring reliability!
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Frequently Asked Questions
Q: Is my personal information kept private? Is it safe to use my credit card?
A: Yes, your personal information is kept private and it is safe to use your credit card.
Q: How much will shipping cost?
A: Unfortunately, the cost of shipping is a real expense. Our goal is to minimize your shipping costs. Shipping is calculated at checkout based on the items in your cart and will be displayed prior to you placing an order. Please note that oversized items may be subject to additional charges, which will be noted on the product page.
Q: How do I track my order?
A: Once your order ships, you will receive a tracking notification via email. You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.
Q: Can someone outside of the United States place an order?
A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.
Blog posts
Read moreSeventy-plus years, eight generations, one nameplate. A full walk through every Corvette generation — what Chevrolet changed at each break, which engines went in, which special models matter, and what each car is like to live with now. Includes the modern C8 range from the 670-hp Z06 through the 1,250-hp ZR1X, the all-new 6.7L LS6 that arrived for 2027, a field guide to telling the generations apart, and the six best-selling pieces for each one.
Read moreGM engineers explain the 2027 Corvette's LS6, LT6 and LT7 V8s in Chevrolet's own newsroom — and why reports say the LS6 could carry into the C9. Click to read the full story!
Read moreChevrolet switched on the Build & Price configurator for the 2027 Corvette Grand Sport X on August 25, which makes the entire 2027 lineup configurable at last. The 1LT coupe starts at $112,195 with carbon-ceramic brakes, Magnetic Ride Control and 721 combined horsepower standard. Inside: what you can spec, the one $500 performance package, two options showing that the order guide says can't be ordered yet, every confirmed spec on the car, and a side-by-side of all six 2027 Corvettes.
