{"product_id":"atk-engines-sp53-chevy-383-stroker-short-block","title":"ATK Engines SP53 Chevy 383 Stroker Short Block","description":"\u003cp\u003eATK High Performance Chevy 383 Stroker Short Blocks Your engine needs a rock-solid foundation to make the horsepower you crave; that's where these ATK High Performance Chevy 383 Stroker short blocks come in. With these blocks, all of the hard work has been done for you. Everything comes machined, clearanced, balanced, and blueprinted, so you have a bulletproof bottom-end that is ready to run. Just decide how mild or wild you want to go.These ATK High Performance Chevy 383 Stroker short blocks include the following:* Handpicked and seasoned 4-bolt main block* Aligned and honed main bores* Nodular iron crankshaft* 3.75 in. stroke* I-beam connecting rods* Hypereutectic dish top pistons\u003c\/p\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBlock: Dart Big M Sportsman 4 bolt main 2pc rear main seal\u003c\/li\u003e\n\u003cli\u003eBore\/Stroke: 4.600” x 4.750”\u003c\/li\u003e\n\u003cli\u003eDisplacement: 6.3 L\u003c\/li\u003e\n\u003cli\u003eCrankshaft: Scat 4340 forged internally balanced\u003c\/li\u003e\n\u003cli\u003eRods: Scat 4340 forged H beam with ARP 8740 bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Displacement:\u003c\/strong\u003e 383 cu. in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Forged Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Material:\u003c\/strong\u003e Forged Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Manifold Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembled:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Pan Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Pump Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic Balancer Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexplate Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlywheel Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Type:\u003c\/strong\u003e Cast Iron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMFG. Part #:\u003c\/strong\u003e SP53\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e GM 1986-2000 small block with 4.040 in. bore and 3.750 in. stroke, +5cc flat top pistons, Scat forged 5.700 in. connecting rods, ARP 8740 rod bolts, and moly rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold in Quantity:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnecting Rod Beam Style:\u003c\/strong\u003e H-Beam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Style:\u003c\/strong\u003e Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ATK Engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Erise Motors","offers":[{"title":"Default Title","offer_id":67752133460288,"sku":null,"price":1950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/7757\/6256\/files\/35020178_L1450_c21c64e6-ca3b-475e-9933-6fb4bbbe2d43-510x510_1.jpg?v=1791839248","url":"https:\/\/vorlaxauto.com\/products\/atk-engines-sp53-chevy-383-stroker-short-block","provider":"Vorlax Auto","version":"1.0","type":"link"}