{"product_id":"lsx454-long-block-kit","title":"LSX454 Long Block Kit","description":"\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eAN LSX WITH BIG-BLOCK POWER!\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eWith the LSX Bowtie block, we’ve built a 21st century 454 with the latest technology. It’s lighter and more compact than an original Big-Block 454 – while delivering Big-Block output of 627 hp and 586 lb.-ft. – but requires no more space under the hood than a production LS engine.\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe LSX454 is filled with an all-forged, super-tough rotating assembly and features a pair of our deep-breathing LSX six-bolt cylinder heads. It also comes dressed with great-looking, orange powder-coated valve covers with engraved “LSX454” logos.\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eChevrolet Performance delivers the engine without an intake manifold and other accessories. Use LSX-LS7 singleplane carbureted intake manifold P\/N \u003ca href=\"http:\/\/www.gmperformancemotor.com\/parts\/19244033.html\" style=\"color: rgb(0, 0, 0);\"\u003e19244033\u003c\/a\u003e. The LSX454 valve covers do not include provisions for mounting ignition coil brackets. Aftermarket or custom relocation brackets must be obtained. It also includes an 8-bolt crankshaft flange that may require an adapter for use with some transmissions.\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTECH SPECS\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePart Number: 19332316\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eEngine Type: LSX-Series Gen IV Small-Block V-8\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDisplacement (cu in): 454 cu in (7.4L)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBore x Stroke (in): 4.185 x 4.125 (106.3 x 104.8 mm)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBlock LSX cast-iron with 6-bolt, cross-bolted main caps\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCrankshaft : 4340 forged steel with 8-bolt flange\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConnecting Rods : 4340 forged steel\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePistons : Forged aluminum\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCamshaft Type : Hydraulic roller\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eValve Lift (in): 0.648 intake \/ 0.648 exhaust\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCamshaft Duration (@0.050 in): 236° intake \/ 246° exhaust\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCylinder Heads (P\/N \u003ca href=\"http:\/\/www.gmperformancemotor.com\/parts\/19419193.html\" style=\"color: rgb(0, 0, 0);\"\u003e19419193\u003c\/a\u003e): Aluminum LSX-LS7 port; with “as cast” 70cc chambers\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eValve Size (in): 2.200 titanium intake\/1.610 hollow, sodium-filled exhaust\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eCompression ratio: 11.0:1\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRocker Arms int): Investment-cast, roll trunnion\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRocker Arms exh): Investment-cast, roll trunnion\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRocker Arm Ratio: 1.8:1\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRecommended Fuel: Premium pump\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eMaximum Recommended rpm: 6,500\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eReluctor Wheel: 58x\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBalanced: Internal\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003ch4\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eINSTALLATION NOTES\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Assembly does not include any electronics\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Requires LS7 pattern intake manifold\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Assembly shipped without an intake manifold\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Requires the purchase and installation of an oil pan (dust shield installed for shipment)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Intended for pre-1976 street vehicles or any off-road vehicle\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Not intended for marine applications\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• LSX 8-bolt crank flange\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e• Requires premium fuel\u003c\/span\u003e\n\u003c\/h4\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":62665637888159,"sku":"19417357","price":16836.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/4913\/5519\/files\/nal-19417357.jpg?v=1770084412","url":"https:\/\/rdperformancefab.com\/products\/lsx454-long-block-kit","provider":"rdperformancefab","version":"1.0","type":"link"}