Home > Engine Kits > Chevrolet - 400 Small Block V8 > 421 cubic inches > Reverse Dome >

  Probe Industries DOMINATOR Engine Kit - Chevy 420 Reverse Dome -20.5cc
  Chevy 420 Reverse Dome -20.5cc Dominator Engine Kit

Image may be a representation of product. While we try to get as close as possible to the exact part, it is not always possible.

  
The Dominator series of Engine Kits feature all the components necessary for all out competition. Dominators include internally balanced forged specialty crankshafts (where applicable), 4340 forged competition connecting rods, and Probe forged pistons. Components are selected specifically for each intended application.

Dominator Kits Include:

  • Probe SRS Forged Pistons
  • Forged 4340 Crankshaft (Typically Internal)
  • Probe Forged 4340 Lightweight or Ultralight I-Beam Rods
  • Perfect Circle or Total Seal File-fit Rings
  • Clevite H-Bearings 
  • Tool Steel Wrist Pins


Item# Item Name Racer Price Qty Add
14890-030-DM-C420 DOMINATOR Engine Kit - Chevy 420 Reverse Dome -20.5cc (+.030") $1,949.99
Check the items you wish to purchase, then click


Accessories:

To select an accessory, click in the appropriate "Add" box below, then click the "Add To Cart" button above.

ItemRacer PriceAdd
$ 99.95




Technical Specs:
Item Code14890-DM-C420
Vendor NameProbe Industries
Product TypeEngine Kit
Product ModelDominator
Engine Displacement (cu.in.)420
Engine FamilyCHEVROLET - Small Block V8
BalancedNo
Piston ManufacturerProbe Industries
Piston Part Number14890
Piston Material2618-t61 Forged Aluminum
Piston Top TypeReverse Dome
Piston Head Volume (CC)-20.5cc
Piston Base Bore (in)4.125
Piston Compression Height (in)1.062
Ring TypeMoly-Pre Fit
Crankshaft VendorProbe Industries
Crankshaft Part Number10125
Crankshaft Material4340 Forged Steel
Crankshaft Stroke (in)3.875
Crankshaft Main Journal Size (in)2.648
Crankshaft Rod Journal Size (in)2.100
Connecting Rod VendorProbe Industries
Connecting Rod Part Number10068
Connecting Rod Material4340 Forged Steel
Connecting Rod Length (in)6.000
Connecting Rod TypeLightweight I-Beam




Compression Ratio:
Part NumberCylinder Head Volume
58.0cc64.0cc68.0cc76.0cc
14890-03010.6010.009.649.00
14890-04010.6410.049.679.03

Browse for more products in the same category as this item:

Make
Engine Kits > Chevrolet - 400 Small Block V8 > 421 cubic inches
Engine Kits > Chevrolet - 400 Small Block V8 > 421 cubic inches > Reverse Dome
Make > Chevy