427 / 434 TURN KEY- 520HP / 600HP – STROKER – FORGED – SBC – GM BASED


Available on backorder

The 434 is a 427 bored .030" over standard and has a larger camshaft.
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Please select flex plate for automatic transmission and flywheel for manual transmissions.
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Includes Schaeffer's break in oil and a Wix filter. This package comes with enough oil to fill the engine up when you get it and includes oil and a filter for your first oil change.
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The Chevy 427 and the Chevy 434 are the same engines just with a .030″ difference in bore size. We build our 427 Turn Key Crate Engines as a mild street engine that typically makes about 520hp on the dyno. We build our 434 Turn Key Crate Engines as a more radical engine that typically makes close to 600hp on the dyno.

Looking for a high quality Chevy 427 Turn Key Crate Engines, Chevy 434 Turn Key Crate Engines, or 434 Small Block Chevy? Look no further than ours! Our Chevy 427 and Chevy 434 Turn Key Engines are designed with quality in mind, and include features that will provide you with an engine you can be proud of.

If you’re looking for a top quality short block or 434 Small Block Chevy for your Chevy project, then look no further than ours! Our kits are available with several different options to suit your needs. Our 434 Small Block Chevy and Chevy 427 Turn Key’s customization and included features that will provide you with an engine you can be proud of. We overbuild to provide you with the highest quality engine.

The Chevy 427 Turn Key / Chevy 434 Turn Key  includes:

  • New Brodix / Dart  4.125” bore, 2 pc rear seal, aftermarket block
  • 4 coats of high quality ceramic engine paint. We have our engines professionally sprayed with a 2 part paint just like you would use on a car but a special high temp version. This is not a cheap “rattle can” paint job that will wear off. This is a show quality paint job!
  • Forged Molnar crankshaft- 4” stroke
  • Forged Molnar H beam rods 6”
  • DSS Racing forged pistons
  • Performance racing bearings
  • Plasma Moly rings
  • Computerized balance
  • Built in house
  • All clearances set and provided on build sheet
  • Dyno Tested, Tuned and Dyno Sheet Included!
  • Compression Ratio- 10.5:1
  • Brodix Dragon Slayer cylinder heads- CNC chamber, 225cc intake port, 2.080/1.600 valves. Flows over 300 cfm!
  • Double roller timing chain
  • Hardened pushrods
  • ARP head bolts
  • Comp cams roller rocker arms
  • Customer roller camshaft- this cam works with carburation and fuel injection and has a moderate lopey idle with the 427 and a choppy idle with the 434.
  • Edelbrock or Holley/Weiand intake manifold. Single plane on the 434 and dual plane on the 427.
  • 750 Holley/Quick Fuel carb with electric choke and vacuum secondary for the 427
  • 850 Holley/Quick Fuel carb with electric choke and mechanical secondary for the 434
  • Holley performance fuel pump
  • Stainless braided fuel line
  • Stainless steel bolt kit
  • Melling oil pump
  • Moroso stroker oil pan
  • New dipstick
  • Performance balancer
  • New timing cover
  • MSD RTR distributor
  • New water pump
  • NGK spark plugs
  • Phillips custom Wolverine racing plug wires – number and heat shield included
  • Thermostat and water neck
  • PCV system installed
  • GM Slant Edge Valve Covers and Air Cleaner with your choice of color
  • Incudes packaging and crating for shipping (shipping is extra)
  • No Core Charge
  • Requires 91 octane
  • The Chevy 427 SBC Requires a minimum of a 2200 stall converter
  • The Chevy 434 SBC Requires a minimum of a 2500 stall converter
  • Includes our 2 year Turn Key warranty
  • (shown with options)