461ci 475Hp Oldsmobile Street Engine

461ci 475Hp Oldsmobile Street Engine

Fully CNC race prepped dead on reconditioned Oldsmobile 2 bolt main block. Bored .030″ then final honed to 4.155″ bore.  Externally balanced recondition 4.250 crank, steel race prepped rods with ARP fasteners, forged pistons, moly rings, cam, main and rod bearings. In house Race prepped with all new components listed and a one piece race rear main seal. Oldsmobile fully race prepped heads are treated to a rolled radius valve job, new Comp Cams hydraulic roller springs, retainers and locks. PC style seals are used also. Everything assembled with a Comp Cams or Erson hydraulic roller camshaft and roller lifters. Dyno Tested and Tuned



  • Oldsmobile CNC Race Prepped Bored Block
  • Head Bolt or Stud Kit Plate Honed with Block
  • Brass Freeze Plug and Galley Plug Kit Installed
  • Reconditioned then Externally Balanced Crank
  • Oldsmobile I-Beam Steel Rods Reconditioned with ARP Bolts
  • King or Clevite Main and Rod Bearings Installed
  • Mahle 10:1 Forged -5.0cc Pistons
  • Plasma Moly File to Fit High Performance Rings
  • Comp Cams or Erson .500″ Lift Hydraulic Roller Cam
  • Double Roller Timing Kit
  • Recon or New Steel Timing Cover
  • Comp Cams or Erson Hydraulic Roller Lifters
  • Recon Externally Balanced Damper
  • Oldsmobile Heads Completely Freshened and Street Ported
  • New 2.100″ Intake and 1.710″ Exhaust Stainless Steel Valves
  • Comp Cams 1.437 Springs and 10° Retainers and Locks
  • Complete Fel Pro Hi-Performance Engine Gasket Kit
  • Manley .105″ Thick Wall Racing Push Rods
  • Comp Cams 1442 Magnum Series 1.6 Roller Rocker Arms
  • Melling Oil Pump and Proper Pickup Tube
  • Recon Stock GM Steel Oil Pan
  • Chrome Valve Covers and Baffle for PCV Installed
  • Edelbrock Performer RPM Air Gap Intake Manifold
  • 870 cfm Holley Avenger Dyno Tested and Tuned Carburetor
  • Pro Street HEI Distributor, Wires and NGK Plugs
  • Dyno Tested and Tuned

Available Upgrades

¾ Fill Hard Block for Better Cylinder Wall Support
+ $ 249.00
Steel Billet 4 Bolt Main Center 3 Caps Installed Block Upgrade, will require custom oil pan
+ $ 995.00
Scat 4.250″ Internally Balanced 4340 Steel Billet Crankshaft
488ci Custom Stroker Engine with Internally Balanced 4340 Steel Billet Crankshaft and Splayed Cap Block Upgrade
+ $3999.00
Solid Roller Cam Kit, Lifters, Roller Rockers, Springs, Retainers, Push Rod Package (Pro Street)
+ $1499.00
PowerBond SFI Damper and SFI Heavy Duty Flex-plate with ARP Bolts
+ $ 399.00
ATI SFI Super Damper and SFI Heavy Duty Flex-plate with ARP Bolts
+ $ 599.00
T&D Shaft Rocker System Installed (from)
+ $1199.00
Edelbrock Stage 1 Ported Intake Manifold
+ $ 399.00
Edelbrock Aluminum Cylinder Heads
+ $1499.00
MSD Pro Billet Distributor with Dyno Tune Done
+ $ 399.00

Dyno Tested and Tuned with Exxon 93° Pump Gas • HP corrected to Sea Level

Free freight does not apply to this item. We will ship to a UPS freight terminal for your address in the normal 48 states up to $400. Handling fees, insurance, residential, lift gate service, out of area charges, will apply for your area where you have this item shipped to. Total cost of these charges over the $400, if any, will be known to you before we ship.

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