{"product_id":"rochester-quadrajet-carburetor-jet-performance-36003","title":"Jet Performance Rochester Quadrajet Carburetor","description":"JET Performance now offers a Quadrajet carburetor tuned for Chevy and GMC cars and trucks with 396 ci and larger modified big block engines. The carburetor is extensively reworked by increasing main well size and is balanced to assure top end high RPM fuel flow. Several circuit modifications are made to keep the fuel curve correct throughout the entire RPM range and to keep consistent idle quality. Includes a .149 needle and seat to ensure adequate fuel flow. The carburetor is designed for modified big block motors with a dual plane intake manifold, headers, 8.5-9.5:1 compression ratio and mild ported or aftermarket heads. Recommended cam specs: Duration at .050 min 210 degrees, max 240 degrees and a lobe separation angle of 110-114 degrees. Available as a complete unit or JET can rebuild your existing core.\u003cp\u003e\u003cbr\u003eShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a precise fit. Each component we carry is carefully vetted for durability, safety, and real-world performance—meeting or exceeding OEM standards. Whether you’re replacing worn parts, upgrading suspension systems, or adding off-road equipment, Truck \u0026amp; Auto Parts Store provides trusted OEM and aftermarket brands designed to handle the demands of trucks, SUVs, and 4x4s. With expert support, fast U.S. shipping, and a commitment to customer satisfaction, you can order with confidence knowing every product delivers dependable performance on the road and off.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Jet Performance","offers":[{"title":"Default Title","offer_id":51239071187160,"sku":"BHDL_36003","price":489.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.truckandautopartsstore.com\/products\/rochester-quadrajet-carburetor-jet-performance-36003","provider":"Truck \u0026 Auto Parts Store","version":"1.0","type":"link"}