{"id":8710,"date":"2026-06-24T17:48:51","date_gmt":"2026-06-24T17:48:51","guid":{"rendered":"https:\/\/elevemotors.com\/product\/blueprint-builder-series-632-815hp-blackout-reaper-efi-crate-engine-and-4l80e-transmission-combos-b632fkb4l8x\/"},"modified":"2026-06-24T17:49:22","modified_gmt":"2026-06-24T17:49:22","slug":"blueprint-builder-series-632-815hp-blackout-reaper-efi-crate-engine-and-4l80e-transmission-combos-b632fkb4l8x","status":"publish","type":"product","link":"https:\/\/elevemotors.com\/fr\/product\/blueprint-builder-series-632-815hp-blackout-reaper-efi-crate-engine-and-4l80e-transmission-combos-b632fkb4l8x\/","title":{"rendered":"BluePrint Builder Series 632\/815HP Blackout Reaper EFI Crate Engine and 4L80E Transmission Combos B632FKB4L8X"},"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>B632FKB4L8X<\/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 632\/815HP Blackout Reaper EFI Crate Engine and 4L80E Transmission Combos<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Summit Racing Part Number: <\/strong>MLL-B632FKB4L8X<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>UPC: <\/strong>887753972552<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Crate Engine Family: <\/strong>Chevy Big Block<\/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>Yes<\/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>Black front accessory drive system includes water pump, alternator, power steering pump, A\/C compressor and all belts and pulleys.<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Special Attention: <\/strong>This engine features 0.300 in. raised exhaust ports and 0.400 in. deck height increase over OEM.<\/div>\n<\/div>\n<p class=\"part-detail-description-title\"><strong>BluePrint Builder Series 632\/815HP Blackout Reaper EFI Crate Engine and 4L80E Transmission Combos<\/strong><\/p>\n<p class=\"part-detail-description\">BluePrint Builder Series 632\/815HP Blackout Reaper EFI crate engine and 4L80E transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy big block-compatible 632 (c.i.d.) engine that produces 815 horsepower, this Reaper edition builder series includes a black pulley kit and 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 775 lbs.-ft. of torque. When you need or want a new powertrain for your GM ride, go with the authority in crate engines and their BluePrint Builder Series 632\/815HP Blackout Reaper edition EFI crate engine and 4L80E transmission combos.<\/p>\n<p>Other product features, items, and specifications include:<\/p>\n<p>Block:<br \/>\n* New BluePrint cast iron<br \/>\n* Bore is 4.600 in.<br \/>\n* Main caps are 4-bolt<br \/>\n* One-piece rear main seal<br \/>\n* Mechanical fuel pump provision<br \/>\n* Tall deck (approximately 0.400 in. taller and wider than OEM block)<\/p>\n<p>Rotating Assembly:<br \/>\n* New BluePrint forged crankshaft<br \/>\n* Stroke \u2013 4.750 in.<br \/>\n* Forged H-beam 6.635 in. connecting rods<br \/>\n* Forged pistons<br \/>\n* Internal balance<br \/>\n* Non-weighted harmonic balancer<\/p>\n<p>Aluminum Cylinder Heads:<br \/>\n* BluePrint PS8012 performance models (0.300 in. raised exhaust port vs. OEM)<br \/>\n* Chamber \u2013 119cc<br \/>\n* Valves are 2.300 in. intake and 1.880 in. exhaust<br \/>\n* Exhaust runners are 358cc intake and 125cc exhaust<br \/>\n* Builder must verify clearance of exhaust, shift linkage, steering components, etc. before ordering<\/p>\n<p>Camshaft:<br \/>\n* Hydraulic roller<br \/>\n* Intake valve lift \u2013 0.698 in.<br \/>\n* Exhaust valve lift \u2013 0.698 in.<br \/>\n* Intake duration at 0.050 in. of lift \u2013 272<br \/>\n* Exhaust duration at 0.050 in. of lift \u2013 282<br \/>\n* Lobe separation angle (LSA) \u2013 110 degrees<\/p>\n<p>Ignition Timing<br \/>\n* Initial is 10-16 degrees (16-20 degrees for Dominator-style carburetors)<br \/>\n* Total is 32-34 degrees (by 2,500 rpm for Dominator-style carburetors)<br \/>\n* Firing order is 1-8-4-3-6-5-7-2<\/p>\n<p>Automatic Transmission Package:<br \/>\n* Complete 4L80E package with electronic controller (lockup capability)<br \/>\n* Torque converter with 3,800\u20134,200 rpm stall<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), 2.077:1 (reverse)<\/p>\n<p>Other Components:<br \/>\n* Single plane aluminum intake manifold with satin finish<br \/>\n* Complete EFI system (1,250 cfm) with Aeromotive A1000 fuel pump<br \/>\n* Valve covers, oil pan, and timing cover<br \/>\n* Billet front accessory drive with black finish (includes alternator, A\/C, power steering, water pump, pulleys, and belts)<br \/>\n* BPP7938 NGK BKR5E spark plugs (0.750 in. reach, 14mm thread pitch, 5\/8 in. hex, 0.035 in. gap)<br \/>\n* Thermostat and housing<\/p>\n<p>Note: Recommended fuel is 91 octane. Recommended oil is BPP710. Not designed for EGR-compatibility.<\/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-B632FKB4L8X\">\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>1991<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Ending Year: <\/strong>1995<\/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>7.4L\/454<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Family: <\/strong>Chevy big block Gen V<\/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><\/div>\n<\/div>\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>1996<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Ending Year: <\/strong>2000<\/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>7.4L\/454<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Engine Family: <\/strong>Chevy big block Gen VI<\/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, 632\/815HP, Blackout Reaper, EFI, 4L80E , Aluminum Heads, 10.3L\/632, Chevy Big Block, Kit<\/p>","protected":false},"featured_media":8711,"comment_status":"closed","ping_status":"open","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[495],"product_tag":[],"class_list":["post-8710","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 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