{"product_id":"1200-series-427-long-block","title":"427 Sleeved Aluminum LS Long Block - 1200 Series","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eOur 1200 Series 427 long block has all the ingredients to pack the punch your looking for.\u003cspan style=\"mso-spacerun: yes;\"\u003e  Our \u003c\/span\u003e427 LS combo is a proven performer and is a solid foundation for your ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%; font-family: 'Arial',sans-serif; mso-fareast-font-family: Arial; mso-ansi-language: EN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003ePlan to clear 800HP NA with the right cam and intake selection!\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eThis package is still dependable at the 1200HP mark if you want to put a little extra squeeze on it with your choice of power adder\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eBuild Specs:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eSeasoned GM 5.3L Aluminum Block With Darton Sleeves\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\"\u003e1600hp Extreme RPM CCW Crankshaft with welded reluctor wheel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e1600hp Rated Heavy Duty Connecting Rods\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2618 Forged Pistons - Your choice of Flat Top or Dish\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 10pt;\"\u003eLS7 Lifters and Trays\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan style=\"font-size: 10pt;\"\u003eBTR Cam of your choice\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eBillet Timing Gear and Double Roller Chain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eLS2 Style Timing Chain Dampener\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003e3\/8\" Pushrods\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eGM Rockers built with bronze bushing-style trunnion kits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eNew Rocker Arm Bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eSelection of Frankenstein Engine Dynamics LS3 or LS7 Heads\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eClevite Main \u0026amp; Rod Bearings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eDurabond Cam Bearings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eNew block plug kit and barbell\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eHigh Volume Oil Pump\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eARP Main Studs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eARP Head Studs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eFel Pro Gaskets Throughout\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eICT Billet Valley Cover\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eMulti Layer LS7 Head Gaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eBTR Valve Covers (Plain Finish, with Coil Mounts) Unless Otherwise Requested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eGM Muscle Car Pan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eGM stock front cover \u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan lang=\"EN\" style=\"font-size: 10.0pt; line-height: 115%;\"\u003eGM stock rear seal housing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":49511100317991,"sku":"BL4271200LB","price":18900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/0664\/0423\/files\/BL408JLB.png?v=1781540819","url":"https:\/\/www.boostlineperformance.com\/products\/1200-series-427-long-block","provider":"Boostline Performance","version":"1.0","type":"link"}