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Engine Packages

593-sbc421
593-sbc421593-sbc421-2

421CI SBC - Bracket Master

SKU : 593-SBC421
$15,995.00
421CI
Guaranteed 850HP and 640FT–LB Torque!
Assembled, Dynoed, Tested, & Complete with TRE Tuning

Optional Parts/Equipment
Valve Covers
Carb Finish
Raised Cam Block w/55mm Camshaft
Jesel Solid Pro Rockers
Titanium Valves
TRE Sheet Metal Intake
TRE Dual Carb Setup, Linkage, and Spacers
MagnaFuel Fuel System Installed
Jesel Belt Drive Installed
Vacuum Pump Kit/Mandrel Installed
Dry Sump System Installed
Water Pump Installed
Starter Installed
Flywheel/Flexplate
Custom Built Transmission
Custom Built Torque Converter
Billet Motor Plate Installed
Not Included

Call (281) 593-1440
  • Description
  • Specifications
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421CI
Guaranteed 850HP and 640FT–LB Torque!
Assembled, Dynoed, Tested, & Complete with TRE Tuning

This is TRE's baddest Small Block Chevy! The small block chevy has powered cars around the world for decades. This is the small block you warn your friends about. It will not dissapoint.

See the Specifications section for more details.


Note: Every TRE engine is custom built to your specifications and there may be other options and upgrades that are also available. Call us (281) 593-1440 or This email address is being protected from spambots. You need JavaScript enabled to view it. for your specific needs.

421CI
Guaranteed 850HP and 640FT–LB Torque!
Assembled, Dynoed, Tested, & Complete with TRE Tuning
  • Dart or World Block
  • 15° or 18° TRE CNC Ported Heads 385CFM
  • Callies Magnum Crankshaft
  • Comp Custom Camshaft
  • Billet Aluminum or Steel Rods
  • Custom Wiseco, BME, or RaceTec Pistons
  • Total Seal Rings
  • Extreme Duty .904 Morel or BAM Lifters
  • Manton or Manley Thick Wall Pushrods
  • Jesel or T&D Solid Body Shaft Rocker System
  • PAC or PSI Max Life Springs
  • Manley Stainless Valves
  • TRE Billet Custom Calibrated 4500 carburetor w/ Billet Blocks & Boosters
  • Fel-Pro Gaskets
  • Billet Rail TRE Logo Valve Covers
  • High Volume Oil Pump
  • TRE Aluminum Billet Rail Oil Pan
  • Cloyes Heavy Duty Timing Chain
  • MSD Crank Trigger, Distributor, and Wires
  • TRE SFI Balancer
  • ARP Studs and Bolts
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