{"product_id":"chevrolet-performance-12675871-ls3-assembled-cylinder-head","title":"Chevrolet Performance 12675871 LS3 Assembled Cylinder Head","description":"LS3 260cc  Alm Cyl Head Assembled 2.165\/1.590\n\u003cp\u003eThe Chevrolet Performance 12675871 assembled cylinder head is designed for GM LS-Series applications and features a 260 cc intake port with a 68.4 cc combustion chamber. It is supplied as an assembled cylinder head for streamlined installation in a compatible LS3-based engine build.\u003c\/p\u003e\n\u003cp\u003eThis cylinder head uses 2.165-inch intake valves and 1.590-inch exhaust valves to support the specified LS3 configuration. The assembly also includes 1.290-inch valve springs, providing a complete valvetrain package within the cylinder head assembly.\u003c\/p\u003e\n\u003cp\u003eUse the Chevrolet Performance 12675871 cylinder head when the listed valve sizes, intake-port volume, chamber volume, and spring specifications match your engine requirements. Confirm application details and installation requirements before ordering to ensure compatibility with your specific GM LS-Series setup.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Chevrolet Performance\u003c\/li\u003e\n\u003cli\u003ePart Number: 12675871\u003c\/li\u003e\n\u003cli\u003eApplication: GM LS-Series\u003c\/li\u003e\n\u003cli\u003eConfiguration: Assembled cylinder head\u003c\/li\u003e\n\u003cli\u003eIntake Port Volume: 260 cc\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber Volume: 68.4 cc\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.165 inches\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.590 inches\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.290 inches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CHEVROLET PERFORMANCE","offers":[{"title":"Default Title","offer_id":68027433255164,"sku":"GMP12675871","price":1127.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/GMP12675871.jpg?v=1793203169","url":"https:\/\/ozkonickustomz.com\/products\/chevrolet-performance-12675871-ls3-assembled-cylinder-head","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}