GM Performance 141-903 Bowtie valve cover hold down clamps for Chevy small blocks. Chrome plated with the red Bowtie logo. Provides additional clamping force for better valve cover sealing. Sold as a set of 4 Bowtie valve cover hold down clamps. Order 2 packs for a complete set. GM Performance 141-903 Bowtie valve cover hold down clamps Chevy small block 141-903 HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. We will not ship to freight forwarding - expediting companies. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.