{"product_id":"atk-high-performance-chevy-lm7-383-short-blocks-sp77","title":"ATK High Performance Chevy LM7 383 Short Blocks SP77","description":"\u003ch1 class=\"part-detail-section-header h2\"\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h1\u003e \u003cdiv class=\"attribute-container flex-container flex-wrap\"\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eBrand: \u003c\/strong\u003eATK High Performance Engines\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eManufacturer’s Part Number: \u003c\/strong\u003eSP77\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003ePart Type: \u003c\/strong\u003eShort Block Engines\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eProduct Line: \u003c\/strong\u003eATK High Performance Chevy LM7 383 Short Blocks\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eSummit Racing Part Number: \u003c\/strong\u003eHPE-SP77\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eUPC: \u003c\/strong\u003e653517410185\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eCrate Engine Family: \u003c\/strong\u003eChevy LS\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eActual Engine Displacement: \u003c\/strong\u003e6.3L\/383\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eRear Main Seal Style: \u003c\/strong\u003e1-piece\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eCrankshaft Material: \u003c\/strong\u003eForged 4340 steel\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003ePiston Material: \u003c\/strong\u003eForged aluminum\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eShort Block Piston Style: \u003c\/strong\u003eDish\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eConnecting Rod Material: \u003c\/strong\u003eForged 4340 steel\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eConnecting Rod Beam Style: \u003c\/strong\u003eI-beam\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eEngine Block Material: \u003c\/strong\u003eCast iron\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eMain Bolt Style: \u003c\/strong\u003e6-bolt\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eMain Journal Type: \u003c\/strong\u003eChevy LS\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eEngine Balance: \u003c\/strong\u003eInternal\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eOil Pan Included: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eTiming Cover Included: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eHarmonic Balancer Included: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eFlexplate Included: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eFlywheel Included: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eAssembled: \u003c\/strong\u003eYes\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eRemanufactured: \u003c\/strong\u003eNo\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eQuantity: \u003c\/strong\u003eSold individually.\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eNotes: \u003c\/strong\u003e24X reluctor wheel. 8cc piston volume.\u003c\/div\u003e \u003c\/div\u003e \u003cp class=\"part-detail-description-title\"\u003e\u003cstrong\u003eATK High Performance Chevy LM7 383 Short Blocks\u003c\/strong\u003e\u003c\/p\u003e \u003cp class=\"part-detail-description\"\u003eATK Chevy LM7 383 short blocks support your build with a solid foundation. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into musclecars and other LS swap vehicles. ATK High Performance Chevy LM7 383 short blocks are built for naturally aspirated engines up to 700 hp.\u003c\/p\u003e \u003cp\u003eYour ATK LM7 engine may include these components for optimal performance:\u003c\/p\u003e \u003cp\u003e* Block: GM LM7 5.3L\u003cbr\u003e * Bore\/stroke: 3.903 x 4.000\u003cbr\u003e * Displacement: 383 cu. in.\u003cbr\u003e * Crankshaft: K1 4340 forged steel, internally balanced 24-tooth\u003cbr\u003e * Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts\u003cbr\u003e * Pistons: Wiseco 2618 forged aluminum with coated skirts\u003cbr\u003e * Piston rings: Wiseco GFX (alloy steel top ring)\u003cbr\u003e * Camshaft bearings: Installed and clocked to OEM position\u003cbr\u003e * Freeze plugs: Brass installed and sealed\u003cbr\u003e * Oil galley plugs: installed and sealed\u003cbr\u003e * Weight: 285 lbs.\u003c\/p\u003e \u003ch1 class=\"part-detail-section-header h2\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h1\u003e \u003cdiv id=\"ApplicationSection\" data-sku=\"HPE-SP77\"\u003e \u003cdiv class=\"attribute-container application-item flex-container flex-wrap\"\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eMake: \u003c\/strong\u003eCHEVROLET\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eEngine Type: \u003c\/strong\u003eV8\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eEngine Size: \u003c\/strong\u003e6.3L\/383\u003c\/div\u003e \u003cdiv class=\"small-12 medium-9 large-6\"\u003e\n\u003cstrong\u003eEngine Family: \u003c\/strong\u003eChevy small block Gen III\/IV (LS-based engines)\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160933298407,"sku":null,"price":3380.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/ed64f48e-hpe-sp26-g4_xl.jpg?v=1780566331","url":"https:\/\/titanparthub.com\/products\/atk-high-performance-chevy-lm7-383-short-blocks-sp77","provider":"TITANPARTHUB","version":"1.0","type":"link"}