427 550 HP
Picture with optional aluminum block
427 / 550 HP

4.125 Bore
4.0 Stroke
10.5 Compression

   The 427 starts life as a Dart SHP block that we fully machine on our Rottler cnc machine we then diamond hone, paint, and pressurre test, we then fill with all new components.

Eagle 4340 forged crankshaft
Eagle 4340 forged h beam rods
Mahle forged flat top pistons
Mahle file fit rings
Clevite H series bearings
Erson hydraulic roller cam and lifters
Double row timing set
Aluminum timing cover
Heavy duty ballancer
168 tooth flexplate
Melling oil pump
Moroso pan and pickup
Felpro gaskets
Dart pro 1 aluminum heads with severe duty stainless valves, heavy duty    springs, locks, retainers, rocker studs, guide plates.
.080 wall hardened pushrods
Crane aluminum roller rocker arms
Aluminum polished logo valve covers
Pro products intake

This engine is fully machined, balanced, assembled, and dyno tested.

  This Engine has a 24 month 24,000 mile warranty
                                                  See Warranty page for details
You can make your engine complete with any of these options or upgrades.

• Holley 850 carb                                                                      525.00
• Quick fuel  Q-950 carb                                                           775.00
• Holley fuel injection system                                                 2,250.00
• HEI style distributor and wires                                                215.00
• MSD billet distributor and wires                                              365.00
• Callies compstar crank and rods                                            500.00
• Hellfire rings                                                                            150.00
• Dart 227 cnc ported heads (adds 25hp)                                 875.00
• Solid roller cam (More aggressive adds 25hp)                       250.00
• Aluminum block (100 lbs lighter)                                           2995.00
• Moroso billet oil pump                                                             250.00