Lead Foot Performance, New Modified Chevy 454 Big Block Engine | Rated at 415 hp and 497 lb/ft
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Monster Performance - 454 Big Block Chevy Engine Complete 4 Bolt Main - Rated at 415 Hp/497 Ft Lbs <span style='display: none'>Top Product</span>
Monster Performance - 454 Big Block Chevy Engine Complete 4 Bolt Main - Rated at 415 Hp/497 Ft Lbs Top Product


Monster Performance - 454 Big Block Chevy Engine Complete 4 Bolt Main - Rated at 415 Hp/497 Ft Lbs Top Product

GM Chevrolet 454 Big Block Complete Long Block Engine Rated at 415HP / 497 ft lbs of Torque & 2 Yr Warranty

7499.00
$9,141.60
$1,642.60(18%)
Product Available
LFE-GM454-415

Questions? Call Us 800-708-0087

  • Just Give Me The Goods: Crate Engine, GM 454 Big Block , Stage 3, Big Block, 4 Bolt Main, 2pc Seal
  • Shop Today: Now Offering a full line up of Lead Foot engines that are built with proven, high-quality components.
  • Quality Control: Balanced, Blue Printed, and Assembled By ASE Techs, insuring they exceed all manufacturing requirements.
  • Rated Warranty: Now Offering the Industry's Best 2 Years Unlimited Mileage Warranty.

Looking to add quality performance in your Chevy Hot Rod, Truck or Muscle Car? Then look no further than Monster Transmission! 

Our engines include a full 2 year unlimited mileage warranty! These complete engine packages are engineered with all the features you need for a reliable Chevrolet 454 from a researched and developed combination of components. You'll have all of the reliability that you would want from a good street cruising motor while still being able to have that big block power that you need.

The complete Chevrolet 454 long block is a great plug and play choice for your big-block crate engine needs. You will receive your engine mostly pre-assembled with the intake manifold, carburetor, water pump, and distributor. The 2 bolt block holds a stronger cast crankshaft, quality steel rods, and hypereutectic pistons. Lastly the hydraulic camshaft flat will give your Lead Foot motor that distinct idle tone. This engine offers you an incredible performance value - all you need to do is add the additional components with some fresh gas and then let her rip! Lead Foot stands behind every product built. To honor that, we are proud to offer an industry setting 2 year unlimited mileage warranty.

It's What's Inside That Matters.
  • Horsepower: 415 hp
  • Torque: 497 lb/ft
  • Block: 4 Bolt Main 2pc Seal
  • Bore / Stroke: 4.310 x 4.000
  • Displacement: 454 C.I.D.
  • Crankshaft: Cast 4.000" Stroke Externally Balanced 2pc.
  • Connecting Rods: Steel 6.135" Bolts
  • Pistons: Hypereutectic
  • Piston Rings: Moly Rings
  • Compression Ratio: 9.4:1 Compression
  • Camshaft: Hydraulic Flat Tappet
  • Camshaft Specifications: 230/230 @050 .512in/.512ex 112LSA
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: Peanut Port 118cc 2.079/1.72
  • Fuel Delivery: Quick Fuel Carburetor 780cfm
  • Intake Manifold: Edelbrock Performer RPM Vortec Dual Plane
  • Spark Plugs: Champion
  • Flex Plate / Flywheel: Internally Balanced 168 Tooth
  • Water Pump: Long Water Pump 
  • Fuel Pump: Holley 110GPH Mechanical
  • Ignition: MSD HEI
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stamped Steel 1.73 Ratio
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: 5 Quarts
Additional Recommended Components and Specs:
  • Oil: 10W30 
  • Oil Filter: K&N Recommended 
  • Spark Plug Gap: .035 
  • Tooth Timing: 34-36 Degrees Total 
  • Firing Order: 1 8 4 3 6 5 7 2 
  • Exhaust: 1 3/4" Headers 
  • Fuel: 91+ Octane 
  • Weight: 640lbs.
  • Torque Converter: 2,500 - 2,800 Stall
Need More Goodies? Give us a Call at 800-708-0087 or Contact Us Here.

A timeless name with all the attitude! When you smash on that gas pedal you'll soon realize that you've made the right choice. With only the best parts sourced primarily from the USA you can rest assured that you are dealing with the highest quality in performance. They don't skimp on the details of machining, part selection or assembly. Their International Headquarters boast's state of the art equipment, multiple climate controlled clean rooms, and a fully trained staff capable of building any High Performance Engine of your dreams. They offer a plethora of engine types for street, strip and off road applications. Being top names in the industry, With Monster Transmission at the forefront we are a force to be reckoned with. Start building your dreams with this team, today!
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