Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

427 c.i. Cobra Edition Builder Series, Carbureted, 4R70W Automatic Transmission w/Polished Pulley Kit. Incl. 30 months/50,000 warranty & Dyno

BluePrint Cobra Edition Builder Series combos pair engine and transmission, eliminating guesswork, making it easier to gain the performance you desire. These combos match a carbureted Ford small block-compatible 427 c.i.d. engine with a 4R70W automatic transmission enabling the production of 541 hp and 519 lb.-ft. of torque with a compression ratio of 10:1.

BluePrint high-strength cast iron engine block:
• 4.125 in. bore
• 4-bolt main
• One-piece rear main seal
• 9.500 deck height

Rotating assembly:
• Forged crankshaft
• Stroke: 4.000 in.
• Forged 6.250 in. connecting rods
• Forged pistons
• Internally balanced

BluePrint aluminum cylinder heads:
• 60cc chamber
• 2.02 in. intake/1.60 in. exhaust valves
• 205cc intake/70cc exhaust runners

Hydraulic roller camshaft:
• .608 in. intake/.608 in. exhaust valve lift
• 248 intake/258 exhaust duration at .050 in. of lift
• 114 degrees lobe separation angle (LSA)

4R70W automatic transmission package:
• Electronic transmission controller
• Built to 650 hp
• 2,200 to 2,600 stall torque converter
• Flexplate
• Starter
• 4-speed, overdrive transmission with lockup
• Gear ratios
-- First: 2.84 :1
-- Second: 1.55 :1
-- Third: 1.00 :1
-- Overdrive: 0.70 :1
-- Reverse: 2.32 :1

Also included:
• Ribbed 427 Cobra aluminum valve covers
• Holley 870cfm carburetor
• Harmonic balancer
• Thermostat and thermostat housing
• Fuel pump
• Timing cover
• Oil filter
• Powdercoated 9 qt. oil pan
• Spark plugs and wires
• Plug wire separators
• Polished front accessory drive:
-- Driver side standard rotation water pump
-- Type II power steering pump
-- Remote power steering pump reservoir
-- 140-amp one-wire alternator
-- 7B10 peanut air conditioning compressor