{"product_id":"hygrade-381b-carburetor-repair-kit","title":"Hygrade 381B Carburetor Repair Kit","description":"\u003ch2\u003eHygrade Carburetor Repair Kit for Rochester 4 bbl. Carbs\u003c\/h2\u003e\u003cp\u003eThe Hygrade 381B carburetor repair kit is designed specifically for Rochester 4-barrel carburetors, including 4MC and 4MV types. This kit provides essential components to restore proper fuel delivery and carburetor function on select Buick and Pontiac models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes accelerator pump for improved throttle response\u003c\/li\u003e\n\u003cli\u003eCompatible with Rochester 4 bbl. carburetors, types 4MC and 4MV\u003c\/li\u003e\n\u003cli\u003eFlange base gasket and fuel inlet gasket included for proper sealing\u003c\/li\u003e\n\u003cli\u003eNeedle and seat included to regulate fuel flow\u003c\/li\u003e\n\u003cli\u003eComes with detailed instructions for accurate installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eComprehensive Repair Components for Rochester Carburetors\u003c\/h2\u003e\u003cp\u003eThe Hygrade 381B kit contains all necessary gaskets and components to address common wear points in Rochester 4 bbl. carburetors used on various Buick and Pontiac vehicles. While the float and throttle linkage clip are not included, the kit focuses on critical seals and the accelerator pump to ensure consistent fuel metering and throttle response. The included needle and seat help maintain proper fuel level control, reducing flooding or fuel starvation issues. This kit is ideal for restoring carburetor performance on models such as the Buick LeSabre, Riviera, and Pontiac Firebird.\u003c\/p\u003e\u003ch2\u003eCompatible Buick and Pontiac Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Bonneville, LeSabre, Riviera, Skylark\u003c\/li\u003e\n\u003cli\u003ePontiac Catalina, Firebird, Grand Prix, GTO, LeMans, Tempest\u003c\/li\u003e\n\u003cli\u003eAlso fits Canadian models like Laurentian and Parisienne\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Applications and Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores accelerator pump function for smooth throttle transitions\u003c\/li\u003e\n\u003cli\u003eReplaces worn gaskets to prevent fuel leaks and vacuum loss\u003c\/li\u003e\n\u003cli\u003eAddresses fuel inlet issues with new needle and seat components\u003c\/li\u003e\n\u003cli\u003eImproves carburetor sealing with included flange base gasket\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling and hesitation related to carburetor wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFollow the included instructions carefully to ensure proper assembly and gasket placement. Inspect the carburetor body for damage or excessive wear before installation. Since the float and throttle linkage clip are not included, verify their condition separately. Proper cleaning of all carburetor parts prior to installation will improve repair results and longevity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eHygrade carburetor repair kits are manufactured to meet OEM specifications for reliable performance. The 381B kit components are designed for durability and precise fitment on Rochester 4 bbl. carburetors. Please refer to Hygrade’s warranty policy for coverage details.\u003c\/p\u003e","brand":"Hygrade","offers":[{"title":"Default Title","offer_id":52155194933429,"sku":"BBGV-381B","price":39.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HB_381B_Fro.jpg?v=1775589053","url":"https:\/\/www.partcatalog.com\/products\/hygrade-381b-carburetor-repair-kit","provider":"PartCatalog","version":"1.0","type":"link"}