{"id":8724,"date":"2026-06-24T17:48:51","date_gmt":"2026-06-24T17:48:51","guid":{"rendered":"https:\/\/elevemotors.com\/product\/blueprint-builder-series-ls427-800hp-standard-edition-efi-supercharged-engine-and-4l80e-trans-combos-bls427sctk4l7-2\/"},"modified":"2026-06-24T17:49:36","modified_gmt":"2026-06-24T17:49:36","slug":"blueprint-builder-series-ls427-800hp-standard-edition-efi-supercharged-engine-and-4l80e-trans-combos-bls427sctk4l7-2","status":"publish","type":"product","link":"https:\/\/elevemotors.com\/it\/product\/blueprint-builder-series-ls427-800hp-standard-edition-efi-supercharged-engine-and-4l80e-trans-combos-bls427sctk4l7-2\/","title":{"rendered":"BluePrint Builder Series LS427\/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos BLS427SCTK4L7"},"content":{"rendered":"<div class=\"row column part-detail-section\">\n<p class=\"part-detail-section-header h2\"><strong>Overview<\/strong><\/p>\n<div class=\"attribute-container flex-container flex-wrap\">\n<div class=\"small-12 medium-9 large-6\"><strong>Brand: <\/strong>BluePrint Engines<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Manufacturer\u2019s Part Number: <\/strong>BLS427SCTK4L7<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Part Type: <\/strong>Engine and Transmission Combos<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Product Line: <\/strong>BluePrint Builder Series LS427\/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Summit Racing Part Number: <\/strong>MLL-S0008<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>UPC: <\/strong>887753972620<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Crate Engine Family: <\/strong>Chevy LS<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Assembly Style: <\/strong>Long block<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Assembled: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Intake Manifold Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Carburetor Included: <\/strong>No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Throttle Body Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Cylinder Heads Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Cylinder Head Material: <\/strong>Cast aluminum<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Distributor Included: <\/strong>No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Oil Pan Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Valve Covers Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Timing Cover Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Water Pump Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Harmonic Balancer Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Spark Plugs Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Spark Plug Wires Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Flexplate Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Flywheel Included: <\/strong>No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Transmission Controller Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Torque Converter Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Wiring Harness Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Computer Included: <\/strong>Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Quantity: <\/strong>Sold as a kit.<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Notes: <\/strong>Includes complete Magnuson TVS 2.3L supercharger, upgraded Mototron injectors, ECU, harness, starter, drive-by-wire pedal and throttle body. Polished front accessory drive system includes water pump, alternator, power steering pump, A\/C compressor and all belts and pulleys.<\/div>\n<\/div>\n<p class=\"part-detail-description-title\"><strong>BluePrint Builder Series LS427\/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos<\/strong><\/p>\n<p class=\"part-detail-description\">BluePrint Builder Series LS427\/800HP Standard Edition EFI supercharged engine and 4L80E transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a supercharged Chevy LS small block-compatible 427 (c.i.d.) engine that produces 800 horsepower, this standard edition builder series includes a choice of black or polished pulley kits and a 4L80E automatic transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 780 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427\/800HP Standard Edition EFI supercharged engine and 4L80E transmission combos.<\/p>\n<p>Other product features, items, and specifications include:<\/p>\n<p>Block:<br \/>\n* OEM style (4.060 in. bored to 4.069 in.)<br \/>\n* Main caps are 6-bolt<br \/>\n* One-piece rear main seal<\/p>\n<p>Rotating Assembly:<br \/>\n* New forged crankshaft<br \/>\n* Stroke \u2013 4.125 in.<br \/>\n* Forged connecting rods (6.125 in.)<br \/>\n* Forged pistons<br \/>\n* Internally balanced<br \/>\n* Non-weighted harmonic balancer<\/p>\n<p>Cylinder Heads:<br \/>\n* BluePrint PS8015 models<br \/>\n* Chamber \u2013 72cc<br \/>\n* Valves are 2.165 in. intake and 1.600 in. exhaust<br \/>\n* Exhaust runners are 259cc intake and 102cc exhaust<\/p>\n<p>Camshaft:<br \/>\n* Hydraulic roller<br \/>\n* Intake valve lift \u2013 0.624 in.<br \/>\n* Exhaust valve lift \u2013 0.624 in.<br \/>\n* Intake duration at 0.050 in. of lift \u2013 239<br \/>\n* Exhaust duration at 0.050 in. of lift \u2013 255<br \/>\n* Lobe separation angle (LSA) \u2013 114 degrees<\/p>\n<p>Ignition Timing<br \/>\n* ECM supplied with calibration (initial and total timing are controlled by PCM)<br \/>\n* Firing order is 1-8-7-2-6-5-4-3<\/p>\n<p>Assembled 4-speed Transmission Package:<br \/>\n* Complete 4L80E package with electronic transmission controller<br \/>\n* Non-weighted flexplate<br \/>\n* Starter<br \/>\n* Gear ratios are 2.482:1 (first), 1.482:1 (second), 1.000:1 (third), 0.750:1 (fourth), and 2.077:1 (reverse)<br \/>\n* Torque converter with 3,200\u2013plus rpm stall<\/p>\n<p>Other Components:<br \/>\n* 2.3L Magnuson TVS supercharger<br \/>\n* All required (to make engine run) sensors and wiring harness<br \/>\n* Unlocked ECU for local Dyno shop tuning refinement<br \/>\n* DBW (Drive-By-Wire) throttle body<br \/>\n* Valve covers, retro-fit oil pan (fits most 1955-95 GM front engine, RWD, V8 cars), and timing cover<br \/>\n* LS3 car intake manifold<br \/>\n* Upgraded Mototron S107 fuel injectors<br \/>\n* Coil packs<br \/>\n* Spark plug wires<br \/>\n* Gas\/throttle pedal<br \/>\n* Complete front accessory drive includes A\/C, power steering, alternator, water pump, belt tensioner arm, belts, and pulleys (BLS427SCTKB4L7 is combo with black accessory drive; BLS427SCTK4L7 for polished system)<br \/>\n* ACDelco 41-985 spark plugs (0.040 in. gap)<\/p>\n<p>Note: BluePrint highly recommends their BPPLS01013 air intake kit to ensure proper MAF calculations (same used on Dyno). Recommended fuel is 91-93 octane. Recommended oil is BPP710. Not designed for use with dry sump or pollution-controlled vehicles.<\/p>\n<\/div>\n<div class=\"row column part-detail-section\"><em id=\"applications\" class=\"anchor-tag\"><\/em><\/p>\n<p class=\"part-detail-section-header h2\"><strong>Applications<\/strong><\/p>\n<div id=\"FitmentMessagePlaceholder\" class=\"fitment-result-container multi-applications-fitment\">\n<div><\/div>\n<\/div>\n<div id=\"ApplicationSection\" data-sku=\"MLL-S0008\">\n<div class=\"attribute-container application-item flex-container flex-wrap\">\n<div class=\"small-12 medium-9 large-6\"><strong>Make: <\/strong>CHEVROLET<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Beginning Year: <\/strong>2006<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Ending Year: <\/strong>2015<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Type: <\/strong>V8<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Size: <\/strong>7.0L\/427<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Family: <\/strong>Chevy small block Gen III\/IV (LS-based engines)<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Fuel Delivery Type: <\/strong>Fuel injection<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Transmission: <\/strong>Automatic<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Transmission Manufacturer Code: <\/strong>4L80-E<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Engine and Transmission Combo, Builder Series, LS427\/800HP, Standard Edition, EFI, Supercharged 4L80E , Aluminum Heads, 7.0L\/427, Chevy LS, Kit<\/p>","protected":false},"featured_media":8725,"comment_status":"closed","ping_status":"open","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[495],"product_tag":[],"class_list":["post-8724","product","type-product","status-publish","has-post-thumbnail","product_cat-engine-and-transmission-combos-engines-for-sale","first","instock","purchasable","product-type-simple"],"exclude_global_add_ons":[],"addons":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>BluePrint Builder Series LS427\/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos BLS427SCTK4L7<\/title>\n<meta name=\"description\" content=\"Engine and Transmission Combo, Builder Series, LS427\/800HP, Standard Edition, EFI, Supercharged 4L80E , Aluminum Heads, 7.0L\/427, Chevy LS, Kit\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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